h1 {
    text-align: center;
    color: hwb(4 0% 33%);
    
  }  
h2 {
    text-align: center;
    color: hwb(4 0% 49%);
    
  }  
p {
   text-align: center;
   color: hwb(244 1% 40%);
  }

  img {
    display: block;
    margin: 0 auto; 
    border-radius: 30px; 
}
  body {
    background-color: rgb(128, 128, 128);
    font-family: Arial, Helvetica, sans-serif; 
    font-size: medium;
    
}
.arriba-derecha-fijo {
    position: fixed;   /* Siempre fijo en la pantalla */
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, #6a11cb, #2575fc);
    color: white;
    padding: 12px 24px;
    font-size: 16px;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    box-shadow: 0px 4px 8px rgba(0,0,0,0.2);
    transition: 0.3s;
}
.arriba-derecha-fijo:hover {
    transform: scale(1.05);
    box-shadow: 0px 6px 12px rgba(0,0,0,0.3);
}