.body-f{
    background-image: url('x-fondo.png');
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover; 
    
}
.cuadros{
    margin: 8% 0% 5% 0%;
}
.color-cuadros{
    background-color: rgb(255, 243, 227);
    padding: 10px;
}