title: How to add animated svg noise background in place of red background
body: <p>I am trying to add this animated svg noise background here in place of the red background in my code that is below this one.</p>
  <p><a href="https://jsfiddle.net/cqh5gsm8/" rel="nofollow noreferrer">https://jsfiddle.net/cqh5gsm8/</a></p>
  <p><a href="https://i.stack.imgur.com/j1D66.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/j1D66.png" alt="enter image description here" /></a></p>
  <p><div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false">
  <div class="snippet-code">
  <pre class="snippet-code-css lang-css prettyprint-override"><code>* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  section {
    position: absolute;
    top: -50px;
    left: -50px;
    width: calc(100% + 50px);
    height: calc(100% + 50px);
    background: repeating-linear-gradient(#111, #111 50%, white 50%, white);
    background-size: 5px 5px;
    filter: url(#noise);
  }
  
  svg {
    width: 0;
    height: 0;
  }</code></pre>
  <pre class="snippet-code-html lang-html prettyprint-override"><code>    &lt;section&gt;&lt;/section&gt;
      &lt;svg&gt;
        &lt;filter id="noise"&gt;
          &lt;feTurbulence id="turbulence"&gt;
            &lt;animate attributeName="baseFrequency" dur="8s" values="0.9 0.9;0.8 0.8; 0.9 0.9" &gt;&lt;/animate&gt;
          &lt;/feTurbulence&gt;
          &lt;feDisplacementMap in="SourceGraphic" scale="60"&gt;&lt;/feDisplacementMap&gt;
        &lt;/filter&gt;
      &lt;/svg&gt;</code></pre>
  </div>
  </div>
  </p>
  <p>The code I want to add the animated svg noise background to is this one.</p>
  <p>I want to replace the red background here, with the animated svg noise background.</p>
  <p>How would that be done?</p>
  <p><a href="https://jsfiddle.net/yo43h8u5/" rel="nofollow noreferrer">https://jsfiddle.net/yo43h8u5/</a></p>
  <p><a href="https://i.stack.imgur.com/jQAqs.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/jQAqs.png" alt="enter image description here" /></a></p>
  <p><div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false">
  <div class="snippet-code">
  <pre class="snippet-code-js lang-js prettyprint-override"><code>(function (d) {
    const tv = d.querySelector(".curtain");
    tv.addEventListener("click", screenOff);
    function screenOff() {
      tv.classList.toggle("off");
    }
  
  })(document);</code></pre>
  <pre class="snippet-code-css lang-css prettyprint-override"><code>html,
  body {
    height: 100%;
    margin: 0;
    padding: 0;
  }
  
  body {
    --color-a: blue;
    --color-b: black;
    --color-c: red;
    --color-d: black;
  
    background-size: 165px 165px;
    background-image:
      linear-gradient(var(--color-a) 5px, #0000 5px),
      linear-gradient(90deg, var(--color-a) 5px, #0000 5px),
  
      linear-gradient(var(--color-b) 10px, #0000 10px 160px, var(--color-b) 160px),
      linear-gradient(90deg, var(--color-b) 10px, #0000 10px 160px, var(--color-b) 160px),
  
      linear-gradient(var(--color-c) 15px, #0000 15px 155px, var(--color-c) 155px),
      linear-gradient(90deg, var(--color-c) 15px, #0000 15px 155px, var(--color-c) 155px),
  
      linear-gradient(var(--color-d) 20px, #0000 20px 150px, var(--color-d) 150px),
      linear-gradient(90deg, var(--color-d) 20px, #0000 20px 150px, var(--color-d) 150px),
  
      linear-gradient(var(--color-a) 25px, #0000 25px 145px, var(--color-a) 145px),
      linear-gradient(90deg, var(--color-a) 25px, #0000 25px 145px, var(--color-a) 145px),
  
      linear-gradient(var(--color-b) 30px, #0000 30px 140px, var(--color-b) 140px),
      linear-gradient(90deg, var(--color-b) 30px, #0000 30px 140px, var(--color-b) 140px),
  
      linear-gradient(var(--color-c) 35px, #0000 35px 135px, var(--color-c) 135px),
      linear-gradient(90deg, var(--color-c) 35px, #0000 35px 135px, var(--color-c) 135px),
  
      linear-gradient(var(--color-d) 40px, #0000 40px 130px, var(--color-d) 130px),
      linear-gradient(90deg, var(--color-d) 40px, #0000 40px 130px, var(--color-d) 130px),
  
      linear-gradient(var(--color-a) 45px, #0000 45px 125px, var(--color-a) 125px),
      linear-gradient(90deg, var(--color-a) 45px, #0000 45px 125px, var(--color-a) 125px),
  
      linear-gradient(var(--color-b) 50px, #0000 50px 120px, var(--color-b) 120px),
      linear-gradient(90deg, var(--color-b) 50px, #0000 50px 120px, var(--color-b) 120px),
  
      linear-gradient(var(--color-c) 55px, #0000 55px 115px, var(--color-c) 115px),
      linear-gradient(90deg, var(--color-c) 55px, #0000 55px 115px, var(--color-c) 115px),
  
      linear-gradient(var(--color-d) 60px, #0000 60px 110px, var(--color-d) 110px),
      linear-gradient(90deg, var(--color-d) 60px, #0000 60px 110px, var(--color-d) 110px),
  
      linear-gradient(var(--color-a) 65px, #0000 65px 105px, var(--color-a) 105px),
      linear-gradient(90deg, var(--color-a) 65px, #0000 65px 105px, var(--color-a) 105px),
  
      linear-gradient(var(--color-b) 70px, #0000 70px 100px, var(--color-b) 100px),
      linear-gradient(90deg, var(--color-b)70px, #0000 70px 100px, var(--color-b) 100px),
  
      linear-gradient(var(--color-c) 75px, #0000 75px 95px, var(--color-c) 95px),
      linear-gradient(90deg, var(--color-c) 75px, #0000 75px 95px, var(--color-c) 95px),
  
      linear-gradient(var(--color-d) 80px, #0000 80px 90px, var(--color-d) 90px),
      linear-gradient(90deg, var(--color-d) 80px, #0000 80px 90px, var(--color-d) 90px),
  
      linear-gradient(var(--color-a), var(--color-a));
  }
  
  .outer {
    display: flex;
    min-height: 100vh;
    align-content: center;
  }
  
  .ratio-keeper {
    position: relative;
    height: 0;
    padding-top: 56.25%;
    margin: auto;
    overflow: hidden;
    border: 1px solid #333;
  }
  
  .curtain {
    flex: 1 0 0;
    margin: auto;
    max-width: 642px;
    /*box-shadow: inset 0 -2px 0px 0px #0a0a0a;*/
    border: 20px solid #000;
    border-radius: 3.2px;
    border-color: #000 #101010 #000 #101010;
    /* background: #0a0a0a;*/
  
  }
  
  .ratio-keeper:before {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    border-radius: 50%;
    width: 41%;
    height: 72%;
    border: 325px solid #0a0a0a;
    transform: translate(-50%, -50%);
  }
  
  .fence {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    right: 0;
    margin: auto;
    background: url('data:image/svg+xml;utf8,&lt;svg xmlns="http://www.w3.org/2000/svg" width="10" height="10" viewBox="0 0 10 10" &gt;&lt;path stroke="rgb(113, 121, 126)" d="m10 .15-4.85 4.85 4.85 4.85v.15h-.13l-4.86-4.86-4.86 4.86h-.15v-.14l4.87-4.86-4.87-4.87v-.13h.15l4.86 4.86 4.85-4.86h.14z"/&gt;&lt;/svg&gt;');
    filter: drop-shadow(0 0 5px #000);
    clip-path: circle(25% at center);
    animation: fade 8s linear;
  }
  
  @keyframes fade {
    0% {
      opacity: 0.9;
  
    }
  
    50% {
      opacity: 1;
    }
  
    100% {
      opacity: 0.9;
    }
  }
  
  .fence&gt;div {
    position: absolute;
    /*top: 0;*/
    left: 0;
    right: 0;
    /*width: 100%;*/
    height: 0.55%;
    /*height: 2px;*/
    background: green;
  
  }
  
  .fence&gt;div:nth-child(1) {
    top: 10%;
  }
  
  .fence&gt;div:nth-child(2) {
    top: 20%;
  }
  
  .fence&gt;div:nth-child(3) {
    top: 30%;
  }
  
  .fence&gt;div:nth-child(4) {
    top: 40%;
  }
  
  .fence&gt;div:nth-child(5) {
    top: 50%;
  }
  
  .fence&gt;div:nth-child(6) {
    top: 60%;
  }
  
  .fence&gt;div:nth-child(7) {
    top: 70%;
  }
  
  .fence&gt;div:nth-child(8) {
    top: 80%;
  }
  
  .fence&gt;div:nth-child(9) {
    top: 90%;
  }
  
  .fan svg {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    width: 70%;
    height: 70%;
    margin: auto;
    animation: fan-spin 100s linear;
  }
  
  @keyframes fan-spin {
    0% {
      transform: rotate(0deg);
    }
  
    100% {
      transform: rotate(360deg);
    }
  }
  
  
  .cross::before,
  .cross::after {
    content: "";
    background: black;
  
  
  }
  
  .cross::before {
    /*horizontal*/
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    right: 0;
    margin: auto;
    /*width: 100%;*/
    /*height: 10px;*/
    height: 2.8%;
    clip-path: circle(29% at center);
  }
  
  .cross::after
    {/*vertical*/
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    right: 0;
    margin: auto;
    /*width: 10px;*/
    width: 1.5%;
    /*height: 100%;*/
    clip-path: circle(51% at center);
  }
  
  .inner {
    position:absolute;
    top:0;
    left:0;
    right:0;
    bottom:0;
    margin:auto;
    display: flex;
    height: 100%;
    width: 100%;
    align-items: center;
    justify-content: center;
    background: red;
  }
  
  .off .inner {
    animation: shutdown  210ms 0ms ease forwards;
  }
  
  @keyframes  shutdown{
    68% {
      width: 100%;
      height: 1px;
    }
    99% {
      width: 0px;
      height: 1px;
    }
    100% {
      width: 0px;
      height: 0px;
    }
  }</code></pre>
  <pre class="snippet-code-html lang-html prettyprint-override"><code>&lt;div class="outer"&gt;
    &lt;div class="curtain "&gt;
  
      &lt;div class="ratio-keeper"&gt;
  
        &lt;div class="fence"&gt;
          &lt;div&gt;&lt;/div&gt;
          &lt;div&gt;&lt;/div&gt;
          &lt;div&gt;&lt;/div&gt;
          &lt;div&gt;&lt;/div&gt;
          &lt;div&gt;&lt;/div&gt;
          &lt;div&gt;&lt;/div&gt;
          &lt;div&gt;&lt;/div&gt;
          &lt;div&gt;&lt;/div&gt;
          &lt;div&gt;&lt;/div&gt;
        &lt;/div&gt;
  
        &lt;div class="fan"&gt;
          &lt;svg xmlns="http://www.w3.org/2000/svg" width="70%" height="70%" viewBox="76 130 381 381"&gt;
            &lt;path fill="#000100" 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" /&gt;
          &lt;/svg&gt;
  
        &lt;/div&gt;
        &lt;div class="cross"&gt;&lt;/div&gt;
  
        &lt;div class="inner"&gt;
          &lt;h1&gt;Click to turn OFF&lt;/h1&gt; &lt;/div&gt;
        &lt;/div&gt;
  
    &lt;/div&gt;
  &lt;/div&gt;</code></pre>
  </div>
  </div>
  </p>