JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container1 ">
  <div class="curtain1">
    <div class="ratio-keeper">

      <div class="fence">
        <div></div>
        <div></div>
        <div></div>
        <div></div>
        <div></div>
        <div></div>
        <div></div>
        <div></div>
        <div></div>
      </div>


      <div class="fan">
        <svg width="70%" height="70%" viewBox="76 130 381 381">
          <g id="fan">
            <path fill="#000" stroke="#000" d="m166.3352 168.6294c5.5396 2.4448 45.2339 54.394 72.7499 91.0151-9.1901-44.8757-21.7959-109.0279-19.9558-114.796 4.1462-12.9949 33.7039-13.5172 41.5845-13.7579 7.8827-.2415 37.4165-1.5221 42.3488 11.1948 2.1872 5.6436-6.4773 70.4506-12.9142 115.8007 25.2309-38.2323 61.6818-92.5089 67.0612-95.2865 12.119-6.2568 33.3898 14.2749 39.1337 19.6768 5.7424 5.402 27.5341 25.3815 22.0294 37.859-2.4441 5.5389-54.3954 45.2354-91.0172 72.7506 44.8757-9.1901 109.0293-21.7959 114.7974-19.9559 12.9927 4.1442 13.5193 33.7032 13.7586 41.5838.2422 7.8819 1.5221 37.4165-11.192 42.3473-5.6471 2.1894-70.4541-6.4765-115.8049-12.9127 38.2323 25.2323 92.5081 61.6783 95.2871 67.0605 6.2581 12.1175-14.2742 33.3877-19.6776 39.133-5.4027 5.7432-25.3815 27.5341-37.8563 22.0279-5.5396-2.4434-45.2361-54.3961-72.7534-91.0143 9.1901 44.8757 21.7952 109.0287 19.9551 114.7953-4.1434 12.9934-33.7026 13.5157-41.5852 13.7586-7.8799.24-37.4165 1.5221-42.3431-11.1936-2.1887-5.6464 6.4779-70.4541 12.9133-115.8071-25.2323 38.2323-61.6824 92.5124-67.0639 95.2908-12.1169 6.256-33.3891-14.2728-39.1337-19.6754-5.7432-5.4027-27.5313-25.383-22.0251-37.8578 2.4434-5.5396 54.394-45.2339 91.0136-72.7526-44.8764 9.1908-109.0266 21.7944-114.7967 19.9566-12.9934-4.1434-13.5171-33.7025-13.7586-41.5852-.2407-7.8806-1.5221-37.4165 11.1963-42.346 5.6443-2.1879 70.4498 6.4752 115.8 12.9121-38.233-25.2316-92.5081-61.6783-95.2865-67.0612-6.256-12.1169 14.2748-33.3913 19.6768-39.1337 5.4006-5.7438 25.3794-27.5333 37.8584-22.0272z" />
          </g>
        </svg>

     ...

CSS

html,
body {
  height: 100%;
  margin: 0;
  padding: 0;
}


body {
 /* background-color:black;
  background-image:
  radial-gradient(white, rgba(255,255,255,.2) 2px, transparent 10px),
  radial-gradient(white, rgba(255,255,255,.15) 1px, transparent 5px),
  radial-gradient(white, rgba(255,255,255,.1) 2px, transparent 10px),
  radial-gradient(rgba(255,255,255,.4), rgba(255,255,255,.1) 2px, transparent 5px),
  radial-gradient(white, rgba(255,255,255,.2) 2px, transparent 10px),
  radial-gradient(rgba(255,255,255,.4), rgba(255,255,255,.1) 2px, transparent 5px);
  background-size: 750px 750px, 550px 550px, 450px 450px, 350px 350px, 250px 250px, 150px 150px;
  background-position: 0 0, 40px 60px, 130px 270px, 70px 100px, 110px 200px;*/

  /*background: linear-gradient(to right, #24243e, #302b63, #24243e);*/
  background: #302b63;

}




.door-left,
.door-right {
  position: absolute;
  height: 100%;
  width: calc(50% + 1px);
  top: 0%;
  transition: all 8s linear ;
  transition-delay: 300ms;
  overflow: hidden;
  pointer-events: none;
  z-index: 1;

}

.door-left {
  left: 0;
}

.door-right {
  right: 0;
}

.door-left::before,
.door-right::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 200%;
background: #618667;
 /* background-position: 0 0;
  background-size: cover;
  background-repeat: no-repeat;*/
}

.door-right::before {
  left: -100%;
}

.curtain1.slide .door-left {
  transform: translateX(calc(-100% - 1px));
}

.curtain1.slide .door-right {
  transform: translateX(calc(100% + 1px));
}























.embed-youtube.active .embed-youtube-play{
  display: none;
}



.container1 {
  position: absolute;
  left: 0;
  right: 0;
  min-height: 100%;
  min-width: 255px;
  display: flex;
  padding: 8px 8px;
}



.curtain1 {
  flex: 1 0 0;
  margin: auto;
  max-width: 640px;
  border: 21px solid;
  border-radius: 12px;
  border-color: #000 #101010 #000 #101010;
  position: relative;

}

.curtain1::before {
  content: '';
 ...

JavaScript

(function manageCover1() {

  function show(el) {
    el.classList.remove("hide");
  }

  function hide(el) {
    el.classList.add("hide");
  }

  function coverClickHandler() {
    //const cover = evt.currentTarget;
    const cover = document.querySelector(".container1");
    hide(cover);
    const thewrap = document.querySelector(".container2");
    show(thewrap);
  }
  const cover = document.querySelector(".exit");
  cover.addEventListener("click", coverClickHandler);
}());


const manageCover = (function makeManageCover() {

  function addCoverHandler(coverSelector, handler) {
    const cover = document.querySelector(coverSelector);
    cover.addEventListener("click", handler);
  }

  return {
    addCoverHandler
  };
}());

const videoPlayer = (function makeVideoPlayer() {

  let player;

  const tag = document.createElement("script");
  tag.src = "https://www.youtube.com/player_api";
  const firstScriptTag = document.getElementsByTagName("script")[0];
  firstScriptTag.parentNode.insertBefore(tag, firstScriptTag);

  function shufflePlaylist(player) {
    player.setShuffle(true);
    player.playVideoAt(0);
    //player.stopVideo();
  }

  function onPlayerReady(event) {
    player = event.target;
    player.setVolume(100);
    //shufflePlaylist(player);
  }

  function onPlayerStateChange(event) {
    const player = event.target;
    return player;
  }


  function addPlayer(video, playerOptions) {
    playerOptions.videoId = playerOptions.videoId || video.dataset.id;
    playerOptions.events = playerOptions.events || {};
    playerOptions.events.onReady = onPlayerReady;
    playerOptions.events.onStateChange = onPlayerStateChange;
  

    const player = new YT.Player(video, playerOptions);
    return player;
  }

  return {
    addPlayer
  };
}());

const managePlayer = (function makeManagePlayer() {

  const playerVars = {
    autoplay: 1,
    controls: 1,
    disablekb: 1,
    // enablejsapi: 1,
    //loop: 1,
    //playlist: 1,
    fs: 0,
   ...