.titulo{
    background: black;
    color: yellow;
    text-align: center;
    padding: 14px;
    font-size: 40px;
}


label{
    color:black;
    font-size: 25px;
    
}


.boton{
    color: black;
    background: yellow;
    font-size: 30px;
    border-radius: 15px;
    margin: 15px;
    
}


input{
    font-size: 25px;
}

.principal{
 background: darkgreen;
 text-align: center;
}


.contenedor{
background: palegreen;
padding: 30px;
border-radius: 30px;
border: 5px lime solid;
width: 400px;
display: inline-block;

}