/* imagen responsive */
.img-fluid {
    max-width: 100%;
    height: auto;
}

/* iframe responsive */
.embed-iframe {
    position: relative;
    padding-bottom: 55.25%;
    height: 0;
    overflow: hidden;
}
.embed-iframe iframe {
    position: absolute;
    top:0;
    left: 0;
    width: 98%;
    height: 100%;
}
.centrado-iframe {
	margin-left: auto;
    margin-right: auto;
	max-width: 100%;
    height: auto%;
}