前端嘛

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <title>一个科幻风时钟</title>
    <style>
      @import url('https://fonts.cdnfonts.com/css/lcd');
      * {
        box-sizing: border-box;
      }
      html,
      body {
        height: 100%;
        overflow: hidden;
      }
      body {
        display: flex;
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        align-items: center;
        margin: 0;
        background: linear-gradient(#040909 60vh, #312c2a 80vh);
        font-family: 'LCD', sans-serif;
        font-family: 'LCD2', sans-serif;
        font-family: 'LCDMono2', sans-serif;
        font-family: 'LCDMono', sans-serif;
        font-family: 'Digitalism', sans-serif;

        --_refl: #f3eeef;

        --_bloom: #fcfbf9;
        --_y1: #fae8a5;
        --_y2: #fbd608;

        --_o1: #ff8f0c;
        --_o2: #e74702;
        --_o3: #b32801;

        --mw1: #d0d5d7;

        --m1: #fdea09;
        --m2: #e46703;
        --m3: #ac2a04;
      }

      #noise-svg {
        height: 100%;
        width: 100%;
        opacity: 0.12;
        position: absolute;
        z-index: 100;
        pointer-events: none;
      }
      #noise-rect {
        width: 100vw;
        height: 100vh;
      }

      .clock {
        position: relative;
        width: 100%;
        height: 100%;
        display: flex;
        justify-content: center;
        align-items: center;
        font-size: calc(var(--_size) * 0.01); /* em hack for shade scaling */

        --_factor: min(600px, 80vh);
        --_size: min(var(--_factor), 80vw);
      }
      .shadow {
        position: absolute;
        bottom: 0;
        top: 0;
        margin: auto;
        width: 100%;
        height: 0em;
        translate: 0 45em;
        box-shadow: 0 0 3em 2em #040909, 0 0 8em 3em var(--_o3),
          0 0 10em 4em var(--_o2), 0 0 10em 5em var(--_o1);
        opacity: 0.6;
      }
      .shadow::before {
        content: '';
        display: block;
        position: absolute;
        left: 0;
        right: 0;
        margin: auto;
        height: 20em;
        width: 0;
        box-shadow: 0 0 8em 4em var(--_y1), 0 0 8em 6em var(--_y2),
          0 0 8em 8em var(--_o1), 0 0 8em 10em var(--_o2),
          0 0 8em 12em var(--_o3);
      }
      .shadow::after {
        content: '';
        display: block;
        position: absolute;
        z-index: -1;
        opacity: 0.5;
        left: 0;
        right: 0;
        margin: auto;
        border-radius: 50%;
        height: 10em;
        width: 10em;
        border: 2px solid red;
        transform: rotateX(70deg);
        box-shadow: 0 0em 12em 40em var(--_o1), 0 0em 12em 60em var(--_o2),
          0 0em 12em 80em var(--_o3);
      }
      .clock.off .shadow {
        box-shadow: 0 0 4em 3em #040909, 0 0 8em 3em var(--_o3),
          0 0 10em 4em var(--_o2), 0 0 10em 5em var(--_o1);
        opacity: 0;
      }
      .outer-pipe {
        position: absolute;
        z-index: 2;
        width: calc(var(--_size) * (8 / 15));
        height: var(--_size);
        border-radius: 20% / 10%;
        overflow: hidden;
        opacity: 1;
        --_clip-btm: 85.8%;
        clip-path: polygon(
          0 0,
          100% 0,
          100% var(--_clip-btm),
          0 var(--_clip-btm)
        );
      }
      .inner-pipe {
        width: 100%;
        height: 100%;
        scale: 0.84 0.91;
        border-radius: 15% / 7%;
        box-shadow: 0em 104em 16em 20em #040909, /* light on */ 0em 1.2em 1em
            0.2em var(--m3), 0em 1.2em 1em 0.5em var(--m2), 0em 1.2em 0.5em
            1.2em var(--m1), 0em 1.2em 1.2em 1.5em var(--m2), 0em 1.2em 2em 2em
            var(--m3), /*  */ 0em
            0em 0em 20em #040909;
      }
      .pipe-accents {
        width: calc(var(--_size) * (8 / 15));
        height: var(--_size);
        position: absolute;
      }
      .pipe-accents .top-tube,
      .pipe-accents .top,
      .pipe-accents .topinset,
      .pipe-accents .left,
      .pipe-accents .right {
        z-index: 3;
      }
      .pipe-accents .top-tube {
        position: absolute;
        top: 3%;
        left: 0;
        right: 0;
        margin: auto;
        width: 16%;
        height: 6%;
        background: #040909;
        background: linear-gradient(
          120deg,
          rgba(60, 62, 62, 1) 0%,
          rgba(4, 9, 0, 1) 60%
        );
        box-shadow: inset -0.2em 1.1em 1.4em -0.4em var(--mw1), /* light on */
            inset 0em -1.2em 0.5em -1.1em var(--m1),
          inset 0em -1.2em 1em -0.8em var(--m2), inset 0em -1.2em 1em -0.2em var(
              --m3
            ) /* -- */;
        border-radius: 20%;
      }
      .pipe-accents .tube-holders {
        position: absolute;
        width: 26em;
        height: 70em;
        translate: 0 -7em;
        margin: auto;
        left: 0;
        right: 0;
        top: 0;
        bottom: 0;
        z-index: 2;
      }
      .pipe-accents .tube-holders div {
        position: absolute;
        width: 3em;
        height: 3em;
        border-radius: 50%;
        --_metal-1: #30241d;
        --_metal-2: #000000;
        --_metal-3: #5f5f5f;
        --_vl: -8%;
        background: conic-gradient(
          from 0deg at 50% 50%,
          var(--_metal-1) 0%,
          var(--_metal-2) 7%,
          var(--_metal-1) 21%,
          var(--_metal-2) 35%,
          var(--_metal-2) 42%,
          var(--_metal-3) 56%,
          var(--_metal-1) 63%,
          var(--_metal-1) 70%,
          var(--_metal-2) 77%,
          var(--_metal-3) 84%,
          var(--_metal-2) 91%,
          var(--_metal-1) 100%
        );
        box-shadow: inset 0 0 0.1em 0.1em #ffffff5d, /* light on */ inset
            0em -1.2em 0.5em -1.1em var(--m1),
          inset 0em -1.2em 1em -0.8em var(--m2), inset 0em -1.2em 1em -0.2em var(
              --m3
            ) /* -- */;
      }
      .pipe-accents .tube-holders div:nth-child(1) {
        top: 12%;
        left: var(--_vl);
        rotate: -65deg;
      }
      .pipe-accents .tube-holders div:nth-child(2) {
        top: 12%;
        right: var(--_vl);
        rotate: 65deg;
      }
      .pipe-accents .tube-holders div:nth-child(3) {
        top: 26%;
        left: var(--_vl);
        rotate: -85deg;
      }
      .pipe-accents .tube-holders div:nth-child(4) {
        top: 26%;
        right: var(--_vl);
        rotate: 85deg;
      }
      .pipe-accents .tube-holders div:nth-child(5) {
        top: 78.5%;
        left: var(--_vl);
        rotate: -115deg;
      }
      .pipe-accents .tube-holders div:nth-child(6) {
        top: 78.5%;
        right: var(--_vl);
        rotate: 115deg;
      }

      .pipe-accents .top {
        position: absolute;
        top: -0.7%;
        left: 0;
        right: 0;
        margin: auto;
        width: 22%;
        height: 6%;
        background: #040909;
        background: linear-gradient(
          120deg,
          rgba(60, 62, 62, 1) 0%,
          rgba(4, 9, 0, 1) 60%
        );
        box-shadow: inset -0.2em 1.1em 1.4em -0.4em var(--mw1), /* light on */
            inset 0em -1.2em 0.5em -1.1em var(--m1),
          inset 0em -1.2em 1em -0.8em var(--m2), inset 0em -1.2em 1em -0.2em var(
              --m3
            ) /* -- */;
        border-radius: 20%;
      }
      .pipe-accents .topinset {
        position: absolute;
        top: -1.7%;
        left: 0;
        right: 0;
        margin: auto;
        width: 14%;
        height: 8%;
        background: #040909;
        background: linear-gradient(
          120deg,
          rgba(60, 62, 62, 1) 0%,
          rgba(4, 9, 0, 1) 60%
        );
        box-shadow: inset -0.2em 1.1em 1.4em -0.4em var(--mw1), /* light on */
            inset 0em -1.2em 0.5em -1.1em var(--m1),
          inset 0em -1.2em 1em -0.8em var(--m2), inset 0em -1.2em 1em -0.2em var(
              --m3
            ) /* -- */;
        border-radius: 50%;
      }
      .pipe-accents .topinset::before {
        content: '';
        display: block;
        width: 50%;
        height: 50%;
        border-radius: 50%;
        position: absolute;
        left: 0;
        right: 0;
        top: 0;
        bottom: 0;
        margin: auto;
        box-shadow: inset 0 0 0em 0.1em #040909, /* light on */ 0 0 0.5em 0.1em
            var(--_bloom), inset 0 0 1.3em 0.2em var(--_o3), inset 0 0 1.3em
            0.4em var(--_o2), inset 0 0 1.3em 0.6em var(--_o1), inset 0 0 1.3em
            2em var(--_y1) /* -- */;
        animation: 5s flicker linear infinite;
      }
      @keyframes flicker {
        0% {
          opacity: 1;
        }
        10% {
          opacity: 1;
        }
        11% {
          opacity: 0.8;
        }
        12% {
          opacity: 1;
        }
        65% {
          opacity: 1;
        }
        66% {
          opacity: 0.7;
        }
        67% {
          opacity: 0.9;
        }
        68% {
          opacity: 1;
        }
        69% {
          opacity: 0.4;
        }
        70% {
          opacity: 1;
        }
        100% {
          top: 1;
        }
      }
      .pipe-accents .left,
      .pipe-accents .right {
        width: 100%;
        height: 100%;
        position: absolute;
      }
      .pipe-accents .left div,
      .pipe-accents .right div {
        --_pipe-pos-x: -3%;
        position: absolute;
        margin: auto;
        width: 14%;
        height: 2.4%;
        border-radius: 0.7em;
        background: #040909;
      }
      .pipe-accents .left div:nth-child(1) {
        top: 16%;
        left: var(--_pipe-pos-x);
        border-top-right-radius: 50%;
        border-top-left-radius: 50%;
        box-shadow: inset -0.1em 0.4em 0.6em -0.2em var(--mw1), /* light on */
            inset -1em -0.5em 0.8em -0.8em var(--m3),
          inset -1em -0.5em 0.9em -0.5em var(--m2), inset -1em -0.5em 1em -0.3em
            var(--m1);
        /* -- */
      }
      .pipe-accents .left div:nth-child(1)::before {
        content: '';
        display: block;
        width: 98%;
        height: 1em;
        background: #040909;
        position: absolute;
        left: 78%;
        top: 40%;
        rotate: 5deg;
        bottom: 0;
        margin: auto;
        z-index: -1;
        box-shadow: inset 0em 0.3em 0.6em -0.4em var(--mw1), /* light on */
            inset 1em -0.5em 0.3em -0.5em var(--m3),
          inset 1em -0.5em 0.4em -0.3em var(--m2), inset 1em -0.5em 0.6em -0.2em
            var(--m1) /* -- */;
      }
      .pipe-accents .left div:nth-child(2) {
        top: 26%;
        left: var(--_pipe-pos-x);
        border-top-right-radius: 30%;
        border-top-left-radius: 30%;
        border-bottom-right-radius: 30%;
        border-bottom-left-radius: 30%;
        box-shadow: inset -0.1em 0.4em 0.6em -0.2em var(--mw1), /* light on */
            inset -1em 0em 0.8em -0.6em var(--m3),
          inset -1em 0em 0.9em 0em var(--m2), inset -1em 0em 1em 0.1em var(--m1);
        /* -- */
      }
      .pipe-accents .left div:nth-child(2)::before {
        content: '';
        display: block;
        width: 98%;
        height: 1em;
        background: #040909;
        position: absolute;
        left: 78%;
        top: 0%;
        rotate: 2deg;
        bottom: 0;
        margin: auto;
        z-index: -1;
        box-shadow: inset 0em 0.3em 0.6em -0.4em var(--mw1), /* light on */
            inset 1em -0.1em 0.3em 0em var(--m3),
          inset 1em -0.1em 0.4em 0.2em var(--m2), inset 1em -0.1em 0.6em -0.3em
            var(--m1) /* -- */;
      }
      .pipe-accents .left div:nth-child(3) {
        top: 64%;
        left: var(--_pipe-pos-x);
        border-bottom-right-radius: 40%;
        border-bottom-left-radius: 40%;
        box-shadow: inset -0.1em 0.4em 0.6em -0.2em var(--mw1), /* light on */
            inset -1em 0.3em 0.8em -0.5em var(--m3),
          inset -1em 0.3em 0.9em -0.3em var(--m2), inset -1em 0.3em 1em 0em var(--m1);
        /* -- */
      }
      .pipe-accents .left div:nth-child(3)::before {
        content: '';
        display: block;
        width: 98%;
        height: 1em;
        background: #040909;
        position: absolute;
        left: 78%;
        top: 20%;
        rotate: -4deg;
        margin: auto;
        z-index: -1;
        box-shadow: inset 0em 0.3em 0.6em -0.4em var(--mw1), /* light on */
            inset 1em 0.2em 0.3em -0.1em var(--m3),
          inset 1em 0.2em 0.4em 0em var(--m2), inset 1em 0.2em 0.6em 0.1em var(
              --m1
            ) /* -- */;
      }
      .pipe-accents .right div:nth-child(1) {
        top: 16%;
        right: var(--_pipe-pos-x);
        border-top-right-radius: 50%;
        border-top-left-radius: 50%;
        box-shadow: inset -0.1em 0.4em 0.6em -0.2em var(--mw1), /* light on */
            inset 1em -0.5em 0.8em -0.8em var(--m3),
          inset 1em -0.5em 0.9em -0.5em var(--m2), inset 1em -0.5em 1em -0.3em
            var(--m1);
        /* -- */
      }
      .pipe-accents .right div:nth-child(1)::before {
        content: '';
        display: block;
        width: 98%;
        height: 1em;
        background: #040909;
        position: absolute;
        right: 78%;
        top: 40%;
        rotate: -5deg;
        bottom: 0;
        margin: auto;
        z-index: -1;
        box-shadow: inset 0em 0.3em 0.6em -0.4em var(--mw1), /* light on */
            inset -1em -0.5em 0.3em -0.5em var(--m3),
          inset -1em -0.5em 0.4em -0.3em var(--m2), inset -1em -0.5em
            0.6em -0.2em var(--m1) /* -- */;
      }
      .pipe-accents .right div:nth-child(2) {
        top: 26%;
        right: var(--_pipe-pos-x);
        border-top-right-radius: 30%;
        border-top-left-radius: 30%;
        border-bottom-right-radius: 30%;
        border-bottom-left-radius: 30%;
        box-shadow: inset -0.1em 0.4em 0.6em -0.2em var(--mw1), /* light on */
            inset 1em 0em 0.8em -0.6em var(--m3),
          inset 1em 0em 0.9em 0em var(--m2), inset 1em 0em 1em 0.1em var(--m1);
        /* -- */
      }
      .pipe-accents .right div:nth-child(2)::before {
        content: '';
        display: block;
        width: 98%;
        height: 1em;
        background: #040909;
        position: absolute;
        right: 78%;
        top: 0%;
        rotate: -2deg;
        bottom: 0;
        margin: auto;
        z-index: -1;
        box-shadow: inset 0em 0.3em 0.6em -0.4em var(--mw1), /* light on */
            inset -1em -0.1em 0.3em 0em var(--m3),
          inset -1em -0.1em 0.4em 0.2em var(--m2), inset -1em -0.1em
            0.6em -0.3em var(--m1) /* -- */;
      }
      .pipe-accents .right div:nth-child(3) {
        top: 64%;
        right: var(--_pipe-pos-x);
        border-bottom-right-radius: 40%;
        border-bottom-left-radius: 40%;
        box-shadow: inset -0.1em 0.4em 0.6em -0.2em var(--mw1), /* light on */
            inset 1em 0.3em 0.8em -0.5em var(--m3),
          inset 1em 0.3em 0.9em -0.3em var(--m2), inset 1em 0.3em 1em 0em var(--m1);
        /* -- */
      }
      .pipe-accents .right div:nth-child(3)::before {
        content: '';
        display: block;
        width: 98%;
        height: 1em;
        background: #040909;
        position: absolute;
        right: 78%;
        top: 20%;
        rotate: 4deg;
        margin: auto;
        z-index: -1;
        box-shadow: inset 0em 0.3em 0.6em -0.4em var(--mw1), /* light on */
            inset -1em 0.2em 0.3em -0.1em var(--m3),
          inset -1em 0.2em 0.4em 0em var(--m2), inset -1em 0.2em 0.6em 0.1em var(
              --m1
            ) /* -- */;
      }
      .pipe-accents .bottom-left {
        position: absolute;
        bottom: 12%;
        left: -6%;
        width: 20%;
        height: 2.4%;
        background: #040909;
        border-radius: 40%;
        border-top-left-radius: 50%;
        border-top-right-radius: 50%;
        box-shadow: inset -0.4em -0.1em 1em -0.4em var(--mw1), /* light on */
            inset -2em 0em 1.8em -1.5em var(--m3),
          inset -2em 0em 1.9em -1.3em var(--m2), inset -2em 0em 2em -1em var(
              --m1
            ) /* -- */;
      }
      .pipe-accents .bottom-left::before {
        display: block;
        content: '';
        position: absolute;
        top: -24%;
        left: 0;
        right: 0;
        margin: auto;
        background: #040909;
        width: 90%;
        height: 70%;
        border-radius: 50%;
        border-top-left-radius: 40%;
        border-top-right-radius: 40%;
        box-shadow: inset -0.4em 0em 1em -0.3em var(--mw1), /* light on */
            inset -2em 0em 1.8em -1.5em var(--m3),
          inset -2em 0em 1.9em -1.3em var(--m2), inset -2em 0em 2em -1em var(
              --m1
            ) /* -- */;
      }
      .pipe-accents .bottom-right {
        position: absolute;
        bottom: 12%;
        right: -6%;
        width: 20%;
        height: 2.4%;
        background: #040909;
        border-radius: 40%;
        border-top-left-radius: 50%;
        border-top-right-radius: 50%;
        box-shadow: inset -0.4em -0.1em 1em -0.4em var(--mw1), /* light on */
            inset 2em 0em 1.8em -1.5em var(--m3),
          inset 2em 0em 1.9em -1.3em var(--m2), inset 2em 0em 2em -1em var(
              --m1
            ) /* -- */;
      }
      .pipe-accents .bottom-right::before {
        display: block;
        content: '';
        position: absolute;
        top: -24%;
        left: 0;
        right: 0;
        margin: auto;
        background: #040909;
        width: 90%;
        height: 70%;
        border-radius: 50%;
        border-top-left-radius: 40%;
        border-top-right-radius: 40%;
        box-shadow: inset -0.4em 0em 1em -0.3em var(--mw1), /* light on */ inset
            2em 0em 1.8em -1.5em var(--m3), inset 2em 0em 1.9em -1.3em var(--m2),
          inset 2em 0em 2em -1em var(--m1) /* -- */;
      }

      .small-outer-pipe {
        position: absolute;
        translate: 0 -5.6%;
        width: calc(var(--_size) * (1 / 2.7));
        height: calc(var(--_size) * 0.87);
        border-radius: 40% / 10%;

        overflow: hidden;
        opacity: 1;
        --_clip-btm: 96%;
        clip-path: polygon(
          0 0,
          100% 0,
          100% var(--_clip-btm),
          0 var(--_clip-btm)
        );
        border-top: 0.3em solid var(--mw1);
      }
      .small-inner-pipe {
        width: 100%;
        height: 100%;
        scale: 0.92 0.98;
        border-radius: 35% / 10%;
        box-shadow: 0em -94em 20em 20em #040909, 0em 104em 20em 20em #040909,
          /* light on */ 0em 1em 1em 0.2em var(--m3), 0em 1em 1em 0.5em var(--m2),
          0em 1em 0.5em 1.2em var(--m1), 0em 1em 1.2em 1.5em var(--m2),
          0em 1em 2em 2em var(--m3), /*  */ 0em 0em 0em 20em #040909;
      }

      .base-container {
        position: absolute;
        width: calc(var(--_size) * (8 / 15));
        height: var(--_size);
      }
      .base-container .base {
        width: 100%;
        height: 100%;
        position: absolute;
      }
      .base-container .base div {
        background: #040909;
        position: absolute;
        bottom: 4%;
        left: -10%;
        width: 120%;
        height: 12%;
        border-radius: 40% 40% / 30% 30%;
        box-shadow: 0 2em 2em -1.4em #000, inset -0.4em 0.1em 0.8em -0.2em var(--mw1);
      }
      .base-container .base div::before {
        content: '';
        display: block;
        width: 100%;
        height: 50%;
        border-radius: 100%;
        box-shadow: 0 2em 10em 0 #000, inset -0.4em 0em 0.8em 0em var(--mw1),
          inset 0em 0em 0.5em 0.3em #040909, inset 0em 0em 0.5em 0.3em #040909,
          inset 0em 0em 1em 0em #040909, inset 0em 0em 2em 0em #040909,
          inset 0em 0em 3em 0em #040909, /* light on */ inset 0em 0em 1em 0em
            var(--m3), inset 0em 0em 1em 2em var(--m2), inset 1em 0.3em 10em
            10em var(--m1) /* -- */;
      }
      .display {
        color: var(--_bloom);
        font-size: 14em;
        line-height: 0.8em;
        translate: 0 -0.4em;
      }
      .display .row {
        display: flex;
      }
      .display .small-row {
        font-size: 0.3em;
        position: absolute;
        right: -22%;
        top: 10%;
      }
      .display .small-row .row {
        flex-direction: column;
        line-height: 1.02em;
      }
      .display .row .col {
        display: flex;
        position: relative;
      }
      .display .row .col > div:nth-child(1) {
        opacity: 0.2;
      }
      .display .row .col > div:nth-child(2) {
        position: absolute;
        right: 0;
        z-index: 2;
      }
      .display .row .col > div:nth-child(3) {
        position: absolute;
        right: 0;
        color: var(--_bloom);
        --_o1-size: 0.1em;
        --_o2-size: 0.4em;
        --_o3-size: 0.6em;
        text-shadow: 0em 0em 0.04em var(--_bloom), 0em 0em 0.04em var(--_bloom),
          0em 0em var(--_o3-size) var(--_o3), 0em 0em var(--_o3-size) var(--_o3),
          0em 0em var(--_o3-size) var(--_o3), 0em 0em var(--_o3-size) var(--_o3),
          0em 0em var(--_o2-size) var(--_o2), 0em 0em var(--_o2-size) var(--_o2),
          0em 0em var(--_o2-size) var(--_o2), 0em 0em var(--_o2-size) var(--_o2),
          0em 0em var(--_o1-size) var(--_o1), 0em 0em var(--_o1-size) var(--_o1),
          0em 0em var(--_o1-size) var(--_o1), 0em 0em var(--_o1-size) var(--_o1);
      }
      .glass-tube {
        position: absolute;
        width: 26em;
        height: 70em;
        translate: 0 -7em;
        border-radius: 1000px;
        box-shadow: 
    /* light on */ 0em 0em 1em -0.2em var(--m1), 0em 0em 2em -0.4em var(--m2),
          0em 0em 3em -0.4em var(--m2), inset 0em 0em 0.4em 0.2em var(--m3),
          inset 0em 0em 0.6em 0.4em var(--m2), inset 0em 0em 1em 0.7em var(--m1),
          inset 0em 0em 3em 0em var(--m2), inset 0em 0em 5em 1em var(--m3),
          /* -- */ inset -0.1em 0.1em 0.1em 0em var(--mw1), inset 0 0 1em
            0.1em var(--mw1);
      }
      .glass-tube::before {
        content: '';
        display: block;
        width: 6%;
        opacity: 0.9;
        height: 60%;
        box-shadow: inset 1.5em 0em 1em -1em var(--mw1);
        position: absolute;
        left: 4%;
        top: 16%;
        filter: blur(0.6px);
        opacity: 0.8;
        border-radius: 50% 1% / 50% 100%;
      }
      .glass-tube::after {
        content: '';
        display: block;
        width: 30%;
        opacity: 0.9;
        height: 60%;
        box-shadow: inset -1em 0.5em 1em -1em var(--mw1);
        position: absolute;
        right: 4%;
        top: 4%;
        filter: blur(0.6px);
        opacity: 1;
        border-radius: 0% 100% / 10% 30%;
      }
      .hex {
        position: absolute;
        width: 17.7em;
        height: 70em;
        translate: 0 -7em;
        border-radius: 1000px;
        overflow: hidden;
        z-index: -1;
        opacity: 0.7;
        --_hex-cl1: #040909;
        --_hex-cl2: var(--_o1);
        --_hex-size: 2.18em;
        background: radial-gradient(
              circle farthest-side at 0% 50%,
              var(--_hex-cl1) 23.5%,
              rgba(240, 166, 17, 0) 0
            ) calc(1.06 * var(--_hex-size)) calc(1.5 * var(--_hex-size)), radial-gradient(
              circle farthest-side at 0% 50%,
              var(--_hex-cl2) 24%,
              rgba(240, 166, 17, 0) 0
            ) calc(0.94 * var(--_hex-size)) calc(1.5 * var(--_hex-size)),
          linear-gradient(
              var(--_hex-cl1) 14%,
              rgba(240, 166, 17, 0) 0,
              rgba(240, 166, 17, 0) 85%,
              var(--_hex-cl1) 0
            ) 0 0, linear-gradient(
              150deg,
              var(--_hex-cl1) 24%,
              var(--_hex-cl2) 0,
              var(--_hex-cl2) 26%,
              rgba(240, 166, 17, 0) 0,
              rgba(240, 166, 17, 0) 74%,
              var(--_hex-cl2) 0,
              var(--_hex-cl2) 76%,
              var(--_hex-cl1) 0
            ) 0 0,
          linear-gradient(
              30deg,
              var(--_hex-cl1) 24%,
              var(--_hex-cl2) 0,
              var(--_hex-cl2) 26%,
              rgba(240, 166, 17, 0) 0,
              rgba(240, 166, 17, 0) 74%,
              var(--_hex-cl2) 0,
              var(--_hex-cl2) 76%,
              var(--_hex-cl1) 0
            ) 0 0, linear-gradient(
              90deg,
              var(--_hex-cl2) 2%,
              var(--_hex-cl1) 0,
              var(--_hex-cl1) 98%,
              var(--_hex-cl2) 0%
            ) 0 0 var(--_hex-cl1);
        background-size: calc(2 * var(--_hex-size)) calc(3 * var(--_hex-size));
      }
      .hex .overlay {
        position: absolute;
        background: #fff;
        mix-blend-mode: overlay;
        width: 200%;
        left: -40%;
        height: 12%;
        rotate: 40deg;
        animation: 5s electric ease-in infinite;
      }
      @keyframes electric {
        0% {
          top: 700%;
        }
        100% {
          top: -20%;
        }
      }
      .tube-base-container {
        position: absolute;
        width: 34em;
        height: 30em;
        translate: 0 24em;
      }
      .tube-base {
        position: absolute;
        bottom: 4%;
        width: 60%;
        height: 20%;
        background: #040909;
        left: 0;
        right: 0;
        margin: auto;
        border-radius: 80% / 40%;
        box-shadow: inset 0em -0.1em 1.2em -0.4em var(--mw1), /* light on */
            inset 0em 3em 2.8em -2.5em var(--m3),
          inset 0em 3em 3.9em -2.3em var(--m2), inset 0em 3em 4em -2em var(
              --m1
            ) /* -- */;
      }
      .tube-base::before {
        display: block;
        content: '';
        width: 99%;
        height: 42%;
        background: #040909;
        border-radius: 50%;
        box-shadow: inset 0em -0.1em 1.2em -0.4em var(--mw1), /* light on */
            inset 0em 0em 1.8em -0.5em var(--m3),
          inset 0em 0em 1.9em -0.3em var(--m2), inset 0em 0em 2em -0em var(
              --m1
            ) /* -- */;
      }
      .tube-btm {
        width: 40%;
        height: 10%;
        position: absolute;
        left: 0;
        right: 0;
        margin: auto;
        bottom: 34%;
        background-color: #040909;
        border-radius: 20% 20% 100% 100%;
        box-shadow: inset 0em 0em 1.2em -0.2em var(--mw1), /* light on */ inset
            0em 0.3em 1.2em 0em var(--m1), inset 0em 0.3em 1.2em 0.3em var(--m2),
          inset 0em 0.3em 1.2em 0.6em var(--m3) /* -- */;
      }
      .tube-btm::before {
        content: '';
        display: block;
        width: 60%;
        height: 40%;
        position: absolute;
        left: 0;
        right: 0;
        margin: auto;
        bottom: -158%;
        border-radius: 30% 30% 100% 100%;
        background-color: #040909;
        box-shadow: inset 0em -0.1em 0.7em -0.2em var(--mw1), /* light on */
            inset 0em 0.1em 1em -0.7em var(--m1),
          inset 0em 0.1em 1em -0.3em var(--m2), inset 0em 0.1em 1em -0em var(
              --m3
            ) /* -- */;
      }
      .rods {
        width: 50%;
        height: 28%;
        position: absolute;
        left: 0;
        right: 0;
        margin: auto;
        bottom: 14%;
        --_clip-btm: 80%;
        clip-path: polygon(
          0 0,
          100% 0,
          100% var(--_clip-btm),
          0 var(--_clip-btm)
        );
      }
      .rods .left-rod {
        width: 60%;
        height: 12%;
        rotate: 60deg;
        position: absolute;
        bottom: 40%;
        left: 0;
        background: #040909;
      }
      .rods .center-rod {
        width: 30%;
        height: 12%;
        rotate: 90deg;
        position: absolute;
        bottom: 40%;
        right: 0;
        left: 0;
        margin: auto;
        background: #040909;
      }
      .rods .right-rod {
        width: 60%;
        height: 12%;
        rotate: -60deg;
        position: absolute;
        bottom: 40%;
        right: 0;
        background: #040909;
      }
      .rods .left-rod,
      .rods .center-rod,
      .rods .right-rod {
        box-shadow: inset 0em 0.1em 0.8em -0.2em var(--mw1), /* light on */
            inset 0em 0.1em 1em -0.7em var(--m1),
          inset 0em 0.1em 1em -0.3em var(--m2), inset 0em 0.1em 1em -0em var(
              --m3
            ) /* -- */;
      }
      .wires {
        width: 100%;
        height: 100%;
        z-index: -1;
      }
      .wires div:nth-child(1),
      .wires div:nth-child(2) {
        width: 18%;
        height: 18%;
        rotate: 25deg;
        translate: 14em -5em;
        position: absolute;
        bottom: 0;
        box-shadow: inset 0em 0.1em 0.4em 0em var(--mw1), inset 0 0 0 0.5em
            #040909;
        border-radius: 0% 100% / 50% 100%;
      }
      .wires div:nth-child(2) {
        translate: 15em -8em;
        rotate: 122deg;
        scale: 0.7;
      }

      .button {
        position: absolute;
        width: 4em;
        height: 4em;
        border-radius: 50%;
        translate: 0 0em;
        left: 0;
        right: 0;
        margin: auto;
        top: 0;
        bottom: 0;
        translate: 0 43em;
        z-index: 100;
        cursor: pointer;
        background: var(--_bloom);
        box-shadow: 0em -0.1em 0.2em 0em var(--_o1), 0em -0.1em 0.2em 0.1em var(--_o2),
          0em -0.1em 0.2em 0.2em var(--_o3), 0em -0.1em 1em 0.5em var(--_bloom),
          /* light on */ inset 0em 0em 1em 0em var(--_o3), inset 0em 0em 1em
            0.5em var(--_o2), inset 0em 0em 1em 1em var(--_o1) /* -- */;
        filter: blur(1px);
      }

      .power-cord {
        z-index: -1;
        scale: 1.4 0.9;
        position: absolute;
        width: 100%;
        height: 50em;
        top: 0;
        bottom: 0;
        margin: auto;
        translate: -36em 44em;
        transform: rotateX(55deg) rotateZ(-64deg);
      }
      .power-cord div:nth-child(1) {
        width: 20em;
        height: 18em;
        box-shadow: 0.3em 0.3em 0.2em 0.1em rgba(255, 255, 255, 0.2);
        border-bottom: 6px solid #040909;
        border-right: 4px solid #040909;
        position: absolute;
        left: 0;
        right: 0;
        translate: 39.3em 0em;
        margin: auto;
        bottom: 4%;
        border-radius: 100% 30% / 100% 0;
      }
      .power-cord div:nth-child(2) {
        width: 20em;
        height: 12em;
        box-shadow: inset 0.3em 0.1em 0.2em -0.1em rgba(255, 255, 255, 0.2);
        border-top: 3px solid #04090977;
        border-left: 4px solid #040909;
        position: absolute;
        translate: 58em 0.2em;
        left: 0;
        right: 0;
        margin: auto;
        bottom: 40%;
        border-radius: 100% 30% / 100% 0;
      }

      /*  */
      *,
      *:before,
      *:after {
        transition: box-shadow 0.2s ease-in-out, opacity 0.2s ease-in-out;
        user-select: none;
      }

      .clock.off .hex {
        opacity: 0.3;
        filter: grayscale(1);
      }
      .clock.off .hex .overlay {
        display: none;
      }
      .clock.off .pipe-accents .top-tube,
      .clock.off .pipe-accents .top,
      .clock.off .pipe-accents .topinset {
        box-shadow: inset -0.2em 1.1em 1.4em -0.4em var(--mw1), /* light off */
            inset 0em -1.2em 0.5em -1.1em rgba(0, 0, 0, 0),
          inset 0em -1.2em 1em -0.8em rgba(0, 0, 0, 0), inset 0em -1.2em
            1em -0.2em rgba(0, 0, 0, 0) /* -- */;
      }
      .clock.off .pipe-accents .topinset::before {
        box-shadow: inset 0 0 0em 0.1em #040909, /* light off */ -0.1em 0.2em
            0.7em 0.1em rgba(255, 255, 255, 0.4),
          inset 0 0 1.3em 0.2em rgba(0, 0, 0, 0), inset 0 0 1.3em 0.4em rgba(0, 0, 0, 0),
          inset 0 0 1.3em 0.6em rgba(0, 0, 0, 0), inset 0 0 1.3em 2em rgba(
              0,
              0,
              0,
              0
            ) /* -- */;
        animation-play-state: paused;
      }
      .clock.off .pipe-accents .tube-holders div {
        box-shadow: inset 0 0 0.1em 0.1em #ffffff5d, /* light off */ inset
            0em -1.2em 0.5em -1.1em rgba(0, 0, 0, 0),
          inset 0em -1.2em 1em -0.8em rgba(0, 0, 0, 0), inset 0em -1.2em
            1em -0.2em rgba(0, 0, 0, 0) /* -- */;
      }
      .clock.off .inner-pipe {
        box-shadow: 0em 104em 16em 20em #040909, /* light off */ 0em 1.2em 1em
            0.2em rgba(0, 0, 0, 0), 0em 1.2em 1em 0.5em rgba(0, 0, 0, 0), 0em
            1.2em 0.5em 1.2em rgba(0, 0, 0, 0),
          0em 1.2em 1.2em 1.5em rgba(0, 0, 0, 0), 0em 1.2em 2em 2em rgba(0, 0, 0, 0),
          /*  */ 0em 0em 0em 20em #040909;
      }
      .clock.off .small-inner-pipe {
        width: 100%;
        height: 100%;
        scale: 0.92 0.98;
        border-radius: 35% / 10%;
        box-shadow: 0em -94em 20em 20em #040909, 0em 104em 20em 20em #040909,
          /* light off */ 0em 1em 1em 0.2em rgba(0, 0, 0, 0), 0em 1em 1em 0.5em
            rgba(0, 0, 0, 0), 0em 1em 0.5em 1.2em rgba(0, 0, 0, 0), 0em 1em
            1.2em 1.5em rgba(0, 0, 0, 0), 0em 1em 2em 2em rgba(0, 0, 0, 0), /*  */ 0em 0em 0em 20em #040909;
      }
      .clock.off .pipe-accents .bottom-left {
        box-shadow: inset -0.4em -0.1em 1em -0.4em var(--mw1), /* light off */
            inset -3em 0em 1.8em -1.5em rgba(0, 0, 0, 0),
          inset -3em 0em 1.9em -1.3em rgba(0, 0, 0, 0), inset -3em 0em 2em -1em
            rgba(0, 0, 0, 0) /* -- */;
      }
      .clock.off .pipe-accents .bottom-left::before {
        box-shadow: inset -0.4em 0em 1em -0.3em var(--mw1), /* light off */
            inset -3em 0em 1.8em -1.5em rgba(0, 0, 0, 0),
          inset -3em 0em 1.9em -1.3em rgba(0, 0, 0, 0), inset -3em 0em 2em -1em
            rgba(0, 0, 0, 0) /* -- */;
      }
      .clock.off .pipe-accents .bottom-right {
        box-shadow: inset -0.4em -0.1em 1em -0.4em var(--mw1), /* light off */
            inset 3em 0em 1.8em -1.5em rgba(0, 0, 0, 0),
          inset 3em 0em 1.9em -1.3em rgba(0, 0, 0, 0), inset 3em 0em 2em -1em
            rgba(0, 0, 0, 0) /* -- */;
      }
      .clock.off .pipe-accents .bottom-right::before {
        box-shadow: inset -0.4em 0em 1em -0.3em var(--mw1), /* light off */
            inset 3em 0em 1.8em -1.5em rgba(0, 0, 0, 0),
          inset 3em 0em 1.9em -1.3em rgba(0, 0, 0, 0), inset 3em 0em 2em -1em
            rgba(0, 0, 0, 0) /* -- */;
      }

      .clock.off .pipe-accents .left div:nth-child(1) {
        box-shadow: inset -0.1em 0.4em 0.6em -0.2em var(--mw1), /* light off */
            inset -1em -0.5em 0.8em -0.8em rgba(0, 0, 0, 0),
          inset -1em -0.5em 0.9em -0.5em rgba(0, 0, 0, 0), inset -1em -0.5em
            1em -0.3em rgba(0, 0, 0, 0);
        /* -- */
      }
      .clock.off .pipe-accents .left div:nth-child(1)::before,
      .clock.off .pipe-accents .left div:nth-child(2)::before,
      .clock.off .pipe-accents .left div:nth-child(3)::before,
      .clock.off .pipe-accents .right div:nth-child(1)::before,
      .clock.off .pipe-accents .right div:nth-child(2)::before,
      .clock.off .pipe-accents .right div:nth-child(3)::before {
        box-shadow: inset 0em 0.3em 0.6em -0.3em var(--mw1), /* light off */
            inset 1em -0.5em 0.3em -0.5em rgba(0, 0, 0, 0),
          inset 1em -0.5em 0.4em -0.3em rgba(0, 0, 0, 0), inset 1em -0.5em
            0.6em -0.2em rgba(0, 0, 0, 0) /* -- */;
      }
      .clock.off .pipe-accents .left div:nth-child(2) {
        box-shadow: inset -0.1em 0.4em 0.6em -0.2em var(--mw1), /* light off */
            inset -1em 0em 0.8em -0.6em rgba(0, 0, 0, 0),
          inset -1em 0em 0.9em 0em rgba(0, 0, 0, 0), inset -1em 0em 1em 0.1em
            rgba(0, 0, 0, 0);
        /* -- */
      }
      .clock.off .pipe-accents .left div:nth-child(3) {
        box-shadow: inset -0.1em 0.4em 0.6em -0.2em var(--mw1), /* light off */
            inset -1em 0.3em 0.8em -0.5em rgba(0, 0, 0, 0),
          inset -1em 0.3em 0.9em -0.3em rgba(0, 0, 0, 0), inset -1em 0.3em 1em
            0em rgba(0, 0, 0, 0);
        /* -- */
      }
      .clock.off .pipe-accents .right div:nth-child(1) {
        box-shadow: inset -0.1em 0.4em 0.6em -0.2em var(--mw1), /* light off */
            inset 1em -0.5em 0.8em -0.8em rgba(0, 0, 0, 0),
          inset 1em -0.5em 0.9em -0.5em rgba(0, 0, 0, 0), inset 1em -0.5em
            1em -0.3em rgba(0, 0, 0, 0);
        /* -- */
      }
      .clock.off .pipe-accents .right div:nth-child(2) {
        box-shadow: inset -0.1em 0.4em 0.6em -0.2em var(--mw1), /* light off */
            inset 1em 0em 0.8em -0.6em rgba(0, 0, 0, 0),
          inset 1em 0em 0.9em 0em rgba(0, 0, 0, 0), inset 1em 0em 1em 0.1em rgba(0, 0, 0, 0);
        /* -- */
      }
      .clock.off .pipe-accents .right div:nth-child(3) {
        box-shadow: inset -0.1em 0.4em 0.6em -0.2em var(--mw1), /* light off */
            inset 1em 0.3em 0.8em -0.5em rgba(0, 0, 0, 0),
          inset 1em 0.3em 0.9em -0.3em rgba(0, 0, 0, 0), inset 1em 0.3em 1em 0em
            rgba(0, 0, 0, 0);
        /* -- */
      }
      .clock.off .base-container .base div::before {
        box-shadow: 0 2em 10em 0 #000, inset -0.4em 0em 0.8em 0em var(--mw1),
          inset 0em 0em 0.5em 0.3em #040909, inset 0em 0em 0.5em 0.3em #040909,
          inset 0em 0em 1em 0em #040909, inset 0em 0em 2em 0em #040909,
          inset 0em 0em 3em 0em #040909, /* light off */ inset 0em 0em 1em 0em
            rgba(0, 0, 0, 0), inset 0em 0em 1em 2em rgba(0, 0, 0, 0), inset 1em
            0.3em 10em 10em rgba(0, 0, 0, 0) /* -- */;
      }

      .clock.off .display .row .col > div:nth-child(2) {
        opacity: 0;
      }
      .clock.off .display .row .col > div:nth-child(3) {
        opacity: 0;
      }

      .clock.off .glass-tube {
        box-shadow: 
    /* light off */ 0em 0em 1em -0.2em rgba(0, 0, 0, 0), 0em 0em 2em -0.4em rgba(0, 0, 0, 0),
          0em 0em 3em -0.4em rgba(0, 0, 0, 0), inset 0em 0em 0.4em 0.2em rgba(0, 0, 0, 0),
          inset 0em 0em 0.6em 0.4em rgba(0, 0, 0, 0), inset 0em 0em 1em 0.7em
            rgba(0, 0, 0, 0), inset 0em 0em 3em 0em rgba(0, 0, 0, 0), inset 0em
            0em 5em 1em rgba(0, 0, 0, 0),
          /* -- */ inset -0.1em 0.1em 0.1em 0em var(--mw1), inset 0 0 1em
            0.1em var(--mw1);
      }
      .clock.off .tube-base {
        box-shadow: inset 0em -0.1em 1.2em -0.4em var(--mw1), /* light off */
            inset 0em 3em 2.8em -2.5em rgba(0, 0, 0, 0),
          inset 0em 3em 3.9em -2.3em rgba(0, 0, 0, 0), inset 0em 3em 4em -2em
            rgba(0, 0, 0, 0) /* -- */;
      }
      .clock.off .tube-base::before {
        box-shadow: inset 0em -0.1em 1.2em -0.4em var(--mw1), /* light off */
            inset 0em 0em 1.8em -0.5em rgba(0, 0, 0, 0),
          inset 0em 0em 1.9em -0.3em rgba(0, 0, 0, 0), inset 0em 0em 2em -0em
            rgba(0, 0, 0, 0) /* -- */;
      }
      .clock.off .tube-btm {
        box-shadow: inset 0em 0em 1.2em -0.2em var(--mw1), /* light off */ inset
            0em 0.3em 1.2em 0em rgba(0, 0, 0, 0),
          inset 0em 0.3em 1.2em 0.3em rgba(0, 0, 0, 0), inset 0em 0.3em 1.2em
            0.6em rgba(0, 0, 0, 0) /* -- */;
      }
      .clock.off .tube-btm::before {
        box-shadow: inset 0em -0.1em 0.7em -0.2em var(--mw1), /* light off */
            inset 0em 0.1em 1em -0.7em rgba(0, 0, 0, 0),
          inset 0em 0.1em 1em -0.3em rgba(0, 0, 0, 0), inset 0em 0.1em 1em -0em
            rgba(0, 0, 0, 0) /* -- */;
      }
      .clock.off .rods .left-rod,
      .clock.off .rods .center-rod,
      .clock.off .rods .right-rod {
        box-shadow: inset 0em 0.1em 0.8em -0.2em var(--mw1), /* light off */
            inset 0em 0.1em 1em -0.7em rgba(0, 0, 0, 0),
          inset 0em 0.1em 1em -0.3em rgba(0, 0, 0, 0), inset 0em 0.1em 1em -0em
            rgba(0, 0, 0, 0) /* -- */;
      }
      .clock.off .wires div:nth-child(1),
      .clock.off .wires div:nth-child(2) {
        box-shadow: inset 0em 0.1em 0.4em -0.1em var(--mw1), inset 0 0 0 0.5em
            #040909;
      }
      .clock.off .button {
        background: #8d8d8d;
        box-shadow: 0em -0.1em 0.2em 0em #040909, 0em -0.1em 0.2em 0.1em #040909,
          0em 0em 1em 0.5em var(--_bloom), 0em -0.1em 1em 0.5em #040909,
          /* light off */ inset 0em 0em 1em 0em var(--mw1), inset 0em 0em 1em
            0.5em var(--mw1), inset 0em 0em 1em 1em var(--mw1) /* -- */;
        filter: blur(0.7px);
        animation: 5s flicker linear infinite;
      }
    </style>
  </head>
  <body>
    <svg id="noise-svg">
      <!-- gives background a bit of texture -->
      <filter id="noiseFilter">
        <feTurbulence
          type="fractalNoise"
          baseFrequency="1.5"
          numOctaves="3"
          stitchTiles="stitch"
        />
      </filter>
      <rect id="noise-rect" filter="url(#noiseFilter)" />
    </svg>

    <div class="clock off">
      <div class="shadow"></div>

      <div class="base-container">
        <div class="base"><div></div></div>
      </div>
      <div class="small-outer-pipe">
        <div class="small-inner-pipe"></div>
      </div>
      <div class="outer-pipe">
        <div class="inner-pipe"></div>
      </div>
      <div class="pipe-accents">
        <div class="top-tube"></div>
        <div class="tube-holders">
          <div></div>
          <div></div>
          <div></div>
          <div></div>
          <div></div>
          <div></div>
        </div>
        <div class="top"></div>
        <div class="topinset"></div>
        <div class="left">
          <div></div>
          <div></div>
          <div></div>
        </div>
        <div class="right">
          <div></div>
          <div></div>
          <div></div>
        </div>
        <div class="bottom-left"></div>
        <div class="bottom-right"></div>
      </div>

      <div class="display">
        <div class="row">
          <div class="col">
            <div>8</div>
            <div id="char01">0</div>
            <div id="char02">0</div>
          </div>
          <div class="col">
            <div>8</div>
            <div id="char11">0</div>
            <div id="char12">0</div>
          </div>
        </div>
        <div class="row">
          <div class="col">
            <div>8</div>
            <div id="char21">0</div>
            <div id="char22">0</div>
          </div>
          <div class="col">
            <div>8</div>
            <div id="char31">0</div>
            <div id="char32">0</div>
          </div>
        </div>
        <div style="height: 0.2em"></div>
        <div class="small-row">
          <div class="row">
            <div class="col">
              <div>8</div>
              <div id="char41">0</div>
              <div id="char42">0</div>
            </div>
            <div class="col">
              <div>8</div>
              <div id="char51">0</div>
              <div id="char52">0</div>
            </div>
          </div>
        </div>
        <div class="row">
          <div class="col">
            <div>8</div>
            <div id="char61">0</div>
            <div id="char62">0</div>
          </div>
          <div class="col">
            <div>8</div>
            <div id="char71">0</div>
            <div id="char72">0</div>
          </div>
        </div>
        <div class="row">
          <div class="col">
            <div>8</div>
            <div id="char81">0</div>
            <div id="char82">0</div>
          </div>
          <div class="col">
            <div>8</div>
            <div id="char91">0</div>
            <div id="char92">0</div>
          </div>
        </div>
        <div class="row">
          <div class="col">
            <div>8</div>
            <div id="char101">0</div>
            <div id="char102">0</div>
          </div>
          <div class="col">
            <div>8</div>
            <div id="char111">0</div>
            <div id="char112">0</div>
          </div>
        </div>
      </div>

      <div class="glass-tube"></div>
      <div class="hex">
        <div class="overlay"></div>
      </div>

      <div class="tube-base-container">
        <div class="wires">
          <div></div>
          <div></div>
        </div>
        <div class="tube-base"></div>
        <div class="rods">
          <div class="left-rod"></div>
          <div class="center-rod"></div>
          <div class="right-rod"></div>
        </div>
        <div class="tube-btm"></div>
      </div>

      <div class="power-cord">
        <div></div>
        <div></div>
      </div>

      <div
        class="button"
        onclick="body.querySelector('.clock').classList.toggle('off')"
      >
        <div></div>
      </div>
    </div>

    <script>
      function updateTimeAndDate() {
        const now = new Date();
        let hours = now.getHours();
        const minutes = now.getMinutes().toString().padStart(2, '0');
        let amPm = hours >= 12 ? 'PM' : 'AM';
        if (hours > 12) {
          hours -= 12;
        } else if (hours === 0) {
          hours = 12;
        }
        let timeStr = hours.toString().padStart(2, '0') + minutes;
        if (timeStr.startsWith('0')) {
          timeStr = ' ' + timeStr.slice(1);
        }
        let month = (now.getMonth() + 1).toString().padStart(2, '0');
        let day = now.getDate().toString().padStart(2, '0');
        const year = now.getFullYear().toString().slice(-2);
        if (month.startsWith('0')) {
          month = ' ' + month.slice(1);
        }
        if (day.startsWith('0')) {
          day = ' ' + day.slice(1);
        }
        const displayStr = timeStr + amPm + month + day + year;
        for (let i = 0; i < 12; i++) {
          document.getElementById('char' + i + '1').textContent = displayStr[i];
          document.getElementById('char' + i + '2').textContent = displayStr[i];
        }
      }
      updateTimeAndDate();
      setInterval(updateTimeAndDate, 60000);
    </script>
  </body>
</html>