/* Estilos generales */
body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #e0f7fa; /* color por defecto */
    color: #333;
    padding: 20px;
    transition: background-color 0.3s;
  }
  
  header, footer {
    text-align: center;
    padding: 20px;
    background-color: #0288d1;
    color: white;
    border-radius: 8px;
  }
  
  main {
    margin-top: 20px;
  }
  
  section {
    margin-bottom: 20px;
    padding: 15px;
    background-color: white;
    border-radius: 6px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  }
  
  /* Media Query: Pantallas medianas (tabletas) */
  @media (max-width: 768px) {
    body {
      background-color: #ffe082; /* Amarillo claro */
    }
  }
  
  /* Media Query: Pantallas pequeñas (celulares) */
  @media (max-width: 480px) {
    body {
      background-color: #f8bbd0; /* Rosa claro */
    }
  
    header, footer {
      font-size: 14px;
    }
  
    section {
      padding: 10px;
    }
  }