* {
    margin: 0;
    padding: 0;
  }
  body {
    height: 100vh;
    width: 100vw;
    background: #121316;
  }
  .box {
    height: 100vh;
    width: 100vw;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  #skull,
  #bomb,
  #virus,
  #bike {
    border-radius: 10px;
    padding: 20px 20px;
    margin: 0 60px;
    font-size: 10rem;
    background-color: #000000;
    color: #fff;
    box-shadow: 4px 4px 4px #00000080, 10px 1px 17px #00000080,
      4px 4px 10px #00000080, 4px 4px 3px #00000080, inset 4px 4px 10px #00000080,
      inset 4px 4px 10px #00000080, inset 4px 4px 10px #00000080,
      inset 4px 4px 10px #00000080;
    text-shadow: 0 0 50px #0a78ff, 0 0 100px #0073ff, 0 0 150px #0073ff,
    0 0 200px #0073ff;
    animation: blink 2s linear infinite;
  }
  #bomb {
    animation-delay: 0.4s;
  }
  #virus {
    animation-delay: 0.6s;
  }
  #bike {
    animation-delay: 0.2s;
  }
  
  @keyframes blink {
    from {
      filter: hue-rotate(0deg);
    }
    to {
      filter: hue-rotate(360deg);
    }
  }
  