JSFiddle - React, Tailwind, and code Playground

by velo_ninja

HTML

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Loading Spinner</title>
  <style>
    .spinner {
      position: absolute;
      height: 2em;
      width: 2em;
      overflow: show;
      margin: auto;
      top: 0;
      left: 0;
      bottom: 0;
      right: 0;
      text-align: center;
      width: 40px;
      height: 40px;
      background-color: #113658;
      -webkit-animation: sk-rotateplane 1.2s infinite ease-in-out;
      animation: sk-rotateplane 1.2s infinite ease-in-out;
      z-index: 9999; /* Set a high z-index value */
    }

    @-webkit-keyframes sk-rotateplane {
      0% {
        -webkit-transform: perspective(120px);
      }
      50% {
        -webkit-transform: perspective(120px) rotateY(180deg);
      }
      100% {
        -webkit-transform: perspective(120px) rotateY(180deg) rotateX(180deg);
      }
    }

    @keyframes sk-rotateplane {
      0% {
        transform: perspective(120px) rotateX(0deg) rotateY(0deg);
        -webkit-transform: perspective(120px) rotateX(0deg) rotateY(0deg);
      }
      50% {
        transform: perspective(120px) rotateX(-180.1deg) rotateY(0deg);
        -webkit-transform: perspective(120px) rotateX(-180.1deg) rotateY(0deg);
      }
      100% {
        transform: perspective(120px) rotateX(-180deg) rotateY(-179.9deg);
        -webkit-transform: perspective(120px) rotateX(-180deg) rotateY(-179.9deg);
      }
    }
  </style>
</head>
<body>
  <div class="spinner"></div>
  

  <!-- Your page content goes here -->

  <script>
    (function () {
      var preload = document.querySelector(".spinner");
      var loading = 0;
      var id = setInterval(frame, 64);

      function frame() {
        if (loading == 100) {
          clearInterval(id);
        } else {
          loading = loading + 1;
          if (loading == 90) {
            preload.style.opacity = "0";
          }
        }
      }
    })();
 ...