* {
    margin: 0;
    padding: 0;
  }
 
  /* Botón WhatsApp */
  .btn-whats {
    background-color: #25D366;
    color: white;
    width: 25vw;
    height: 25vw;
    max-width: 20px;
    max-height: 20px;
    text-decoration: none;
    border-radius: 50%;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    position: fixed;
   bottom: 190px;
    right: 60px;
    transition: all 0.6s;
    z-index: 999;
  }
  
  .btn-whats:hover {
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.562);
  }
  
  .pulse {
    animation: pulse 1s infinite;
  }
  
  .btn-whats i {
    font-size: 30px;
  }
  
  @keyframes pulse {
    50% {
      transform: scale(1.1);
    }
  }