@keyframes FadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
  }
  
  @keyframes Float {
    from { transform: translateX(100%) translateZ(0); }
    to { transform: translateX(-15%) translateZ(0); }
  }
  
  @keyframes FadeFloat {
    0%, 100% { opacity: 0; }
    5%, 90% { opacity: 1; }
  }
  
  #Clouds {
    position: absolute;
    top: 0; right: 0; bottom: 0; left: 0;
    margin: auto;
    height: 30%;
    overflow: hidden;
    animation: FadeIn 3s ease-out;
    user-select: none;
  }
  
  .Cloud { 
    position: absolute;
    width: 100%;
    background-repeat: no-repeat;
    background-size: auto 100%;
    height: 70px;
    animation-duration: 120s;
    animation-iteration-count: infinite;
    animation-fill-mode: forwards;
    animation-timing-function: linear;
    animation-name: Float, FadeFloat;
    z-index: 1;
  }
  
  .Cloud.Foreground { 
    height: 10%;
    min-height: 20px;
    z-index: 3;
  }
  .Cloud.Background { 
    height: 10% / 1.1; 
    min-height: 8px;
    animation-duration: 120s * 1.75;
  }
  
  .Cloud:nth-child(3n) { 
  animation-delay: -162s; 
  top: 31%;
  }
  .Cloud.Foreground:nth-child(3n) {
  animation-duration: 84s;
  height: 32.5%;
  }
  .Cloud.Background:nth-child(3n) {
  animation-duration: 114s;
  height: 69%;
  }
  
  .Cloud:nth-child(3n+2) { 
  animation-delay: -144s; 
  top: 40%;
  }
  .Cloud.Foreground:nth-child(3n+2) {
  animation-duration: 88s;
  height: 30%;
  }
  .Cloud.Background:nth-child(3n+2) {
  animation-duration: 118s;
  height: 50%;
  }
  
  .Cloud:nth-child(3n+1) { 
  animation-delay: -90s; 
  top: 30%;
  }
  .Cloud.Foreground:nth-child(3n+1) {
  animation-duration: 100s;
  height: 22.5%;
  }
  .Cloud.Background:nth-child(3n+1) {
  animation-duration: 130s;
  height: 2.84%;
  }
  
  .Cloud { 
    background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAKQAAABgCAYAAACTzNnjAAAFCklEQVR42u3d34uVRRjA8YMsEi0iSwhdRBGhSJgZiNRFIkWhQVEXBipKUVBBLCF6k0h4UxFkBLq4QT/Qiyi80EgxCjXMWqOMtqy0bBNja92yXatN3c3pGc9sHU/v+X3emWfe93vx+QN23u+e95x5Z94pmNWFQo5NEytErzgoBsSIOCf+FqbEBTEhzophcVTsFxvFEjE152PZHGMukbcB6BAPij0uqgtl0bXCBvyjeFPcS2wEWc0y0ec++Ywnf7rwbyc8grQ6RY8Y9RhhJT+Jde4TmghzFuR08bo4ryDEpE/N58QUYsx+kFPcD4yzCkMsZz+1uwkyu0HeKYYiCLHcN2I2QWYnSPudbHubfy37NuFu4wQZeZD2k2Uw4hDLHRZdBBnnH3K/5ykcX86IeQQZl6civ0XXYv/RlhJkHLZkOMTypz7dBKnbyzmJsfTZeTdB6vRszmIsjXI5QeryWMa/M9ZinzjdTJA63CLGcxzjpD/ElQQZfq3iKDFe8lSHIAPqI8L/6SHIMB4nvorTQQsI0v+teoz4KjpBkH7tIrqaNhCkH9cnbK5C8q/uywiSHzKabCLIdM3K+QR4o8YysfVWcZDvElnD1hNkOi5XuilLu5MlOyzni3vESnGfWCRuIMjm1zgSWPM7GWvNXdonXkdM8Q0dCwmytu8Iy/vK9B3iRoJMnghnqifc8jb7yXkXQf5nLWGo2WR2HUGuLrxPDKq25D6d9yBPE4I6/e6rVO6CnMpkuFq/eLmFKwtyMRde/dOg2XkKkvlH/X5P9ZNSWZBvcMGjMJza6iJlQe7nYkfjozwE+TkXOiprsx7kES5yVOzLYK/IcpA/cJGj806Wg/yaCxzlzsersxpkPxc4SruzGuQBLm603yU7DPOQUOSJWIK0E6j2lcvPm+JJVp+674oDbiFuv5t/fEXs5cJG65DmIO3KY3vG3yCLbXO1N1xVkB3uWfQQFye3rtUS5DN1bC5C9j0cOki7XOwUFwJOb6gg7TmCW1lMizI7QwQ5nW2qqGCv7yDtwsxfGXhU0OczyKvECIOOKvb5CnKa2+TDoKOat3wFyaIH1ONFH0H2MNCo00NpBzmXR39owIy0gzzOIKNOv6X9LHsZg4wGp3xsM/ZMoUfF3aaZ4++qBDnIIKMNzrsHKb11Lb6oEORtDCRSYB81f+vWxzYUJBv2kTYb5vx6gzzHgMHTjsUXagV5BwMFzz78d5NYQpDbGCAEcOzissaEIL9kcBDIx0lBsrwMIW0uD3KcQUHgqaEFpUGyLQGhnSgNkgGBBg8QJDQ5Phkky82g5bvkNQXDscDQY6MNcpiBgBL9NsjDDAS0LPq1Qb7EQECJicLFSUkGAkpMLgMaYzCgKci3GQxomPqZDPImBgMa9uOULifnDWcI7VRpkIsYEAR2sHwX2GcMCgJak/QKPh4lIsgcpOhM2iv7JIODAPqqvY7vPQYInlf6zKsWpN2iOMBAwZMD9bzSudPwvh+kr3gofJ0vve/ikxIp36pXNHosiD2j5gMGD2ksyG3lJK917qc5A4l2eNW04Wi5OaZ41DADilZu0xtMmw/fXCV+ZnDRoFFTfBdpaudlLxVfsXMRNYy7W3SH8XSAu/01bo8s/kL8xQWAM+JC7DIeDnCvZqZ4RGxxi3/3iUPOJ+5TtRXfG/v6jeadNMVjlqsZquG0uwU164ybg2vFuPuh2ax23tkm3N91VLwmbjVNvPT+H7Ro4730ITNPAAAAAElFTkSuQmCC);
  }
  
  .Cloud.Background {
    background-image: url(data:image/png;base64,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);
  }
  
  #animationDemo {
    color: #FFF;
    background-color: #FD940A;
    background-image: radial-gradient(circle, #F9A72B 0%, #FA9026 70%, #FB6C1F 100%);
  }
  
  .demoContainer {
    position:relative;
    height:340px; 
    border:1px solid;
  }