.cuadrito{
    height: max-content;
    width: 70%;
    background-color: rgba(160, 222, 226, 0.466);
    margin: -3% auto;
}

.cont{
    background-image: url(images/fondo.gif);
}

body{
    margin: 0;
    padding: 0;
    box-sizing: 0;
}