#imagenes-home
{
    width:50em;
    height:32.1em;
    background-image:url(../images/marco-diapositivas.png);
    margin-left:7em;
    margin-bottom:2em;
}
#nuevosprecios
{
    position: relative;
    float:right;
    top: -7em;
    left: -8.5em;
    width: 0;
    height: 0;
}