body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #1a1a1a; /* Matte black background */
    color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    overflow: hidden;
  }
  
  .container {
    text-align: center;
  }
  
  h1, h2 {
    margin: 0.5em 0;
  }
  
  h1 {
    font-size: 2em;
    color: #0d6efd;
    text-shadow: 0 0 8px #0d6efd;
  }
  
  h2 {
    font-size: 2em;
    color: red;
    text-shadow: 0 0 8px red;
  }
  
  p {
    font-size: 1.2em;
  }
  
  .stopwatch {
    font-size: 2em;
    color: #fff;
    text-shadow: 0 0 5px #fff;
    margin-top: 1em;
  }
  
  @keyframes synced-lights {
    0%, 100% {
      text-shadow: 0 0 8px #0d6efd, 0 0 8px red;
    }
    50% {
      text-shadow: 0 0 8px red, 0 0 8px #0d6efd;
    }
  }
  
  h1, h2 {
    animation: synced-lights 2s infinite;
  }