body {
        height: fit-content;
          background-image: url("Images/AboutBackground.jpg");
     }
     #logo {
        position: absolute;
        left: 100px; 
        width: 200px;
        height: 175px;

     }

     #head {
        color:yellow;
        font-family: Arial, Helvetica, sans-serif;
        text-shadow: 5px 5px 0 #000;
        font-size: 36px;
        position: absolute;
        top:10px;
        left: 450px;
     }
     #box {
        border: 3px solid;
        font-family: Arial, Helvetica, sans-serif;
        font-size: 24px;
        color: yellow;
        text-shadow: 2px 2px 0 #000;
        border-color: white;
        position: absolute;
        width: 800px;
        height: 600px;
        top: 200px;
        left: 500px;
        background-color: #3d64af;
        padding-left: 5px;
     }
     footer {
        text-align: center;
        background-color: #273c75;
        width: 100%;
        height: 50px;
        position: fixed;
        left: 0px;
        bottom: 0px;
        text-decoration: none;
        color: white;
        text-shadow: 2px 3px 0 #000;
     }
       .crt::before {
  content: " ";
  display: block;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%), linear-gradient(90deg, rgba(255, 0, 0, 0.06), rgba(0, 255, 0, 0.02), rgba(0, 0, 255, 0.06));
  z-index: 2;
  background-size: 100% 2px, 3px 100%;
  pointer-events: none;
}

@keyframes flicker {
  0% {
  opacity: 0.27861;
  }
  5% {
  opacity: 0.34769;
  }
  10% {
  opacity: 0.23604;
  }
  15% {
  opacity: 0.10626;
  }
  20% {
  opacity: 0.18128;
  }
  25% {
  opacity: 0.10626;
  }
  30% {
  opacity: 0.18128;
  }
  35% {
  opacity: 0.23604;
  }
}

.crt::after {
  content: " ";
  display: block;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background: rgba(18, 16, 16, 0.1);
  opacity: 0;
  z-index: 2;
  pointer-events: none;
  animation: flicker 0.15s infinite;
}