body{
    font-family:serif ;
    background-color: aqua;
    box-sizing: border-box;
}

#encabezado{
    
    text-align: center;
}

form{
    background-color: aliceblue;
    padding: 20px;
    margin: auto;
    width: 500px;
    border-color: fuchsia;
    text-align:justify;
    
}

button{
    border-style: dotted;
    
    border-color: blue;
    
}