body {
    padding: 0;
    color: aliceblue;
    background: linear-gradient(-45deg, rgb(45, 60, 82), rgb(19, 27, 46), rgb(13, 33, 59), rgb(17, 24, 39), rgb(45, 68, 105));
    background-size: 500% 500%;
    animation: gradient 15s ease infinite;
  }
  
  .intro {
    color: white;
    margin: 0;
    text-align: center;
    padding: 5px;
  }
  
  .links {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 0;
    padding: 170px 0 250px;
  }
  
  .links h2 {
    color: aliceblue;
  }
  
  .links nav ul {
    list-style: none;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
  }
  
  .links nav ul li {
    margin: 0;
  }
  
  .links nav ul li a {
    display: flex;
    align-items: center;
    padding: 10px 15px;
    color: white;
    border-radius: 25px;
    text-decoration: none;
    transition: background-color 0.3s, color 0.3s; /* Mejora la transición */
    font-family: 'Roboto', sans-serif;
  }
  
  .links nav ul li a:hover {
    background-color: #3ea6b4;
    color: azure;
  }
  
  .material-icons {
    font-size: 30px;
    vertical-align: middle;
    margin-right: 5px;
  }
  
  main {
    background-color: transparent; 
    padding: 55px 0;
  }
  
  footer {
    position: fixed; 
    bottom: 0; 
    width: 100%;
  }
  
  section {
    width: 100%;
    margin-bottom: 20px; 
    padding: 15px 0;
    display: grid;
    grid-template-columns: 1fr;
    text-align: left;
  }

  nav {
    width: 800px; 
    height: 60px;
  }
  
  
  @media (max-width: 520px) {
    .links nav ul li {
      min-width: 200px;
    }
    .links {
      padding: 20px 0 60px;
    }
    .links nav{
        margin: 0px 15px;
    }
    footer {
        position: relative; 
        width: 100%;
      }
      nav {
        width: auto;
        max-width: 520px;
        height: auto;
      }
      
  }
  @media (max-width: 720px) {
    .links nav ul li {
      min-width: 200px;
    }
      nav {
        width: auto;
        height: auto;
      }
      
  }
  @media (min-width: 720px) {
  section {
      min-width: 100%;
      padding: 15px;
  }
}