body {
    margin: 0;
    overflow-x: hidden; 
    background: linear-gradient(45deg, #1e3c72, #2a5298);
    height: 100vh;
    
  }
  
  .trail {
    width: 15px;
    height: 15px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.8), transparent);
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    animation: fadeOut 1s ease-out forwards;
  }
  
  @keyframes fadeOut {
    0% {
      opacity: 1;
      transform: scale(1);
    }
    100% {
      opacity: 0;
      transform: scale(2);
    }
  }