html, iframe, audio, video {
	margin: 0;
	padding: 0;
	border: 0;
	font-size: 100%;
	font: inherit;
	vertical-align: baseline;
    }
body{
 background-color: #030303;
}
	.frame iframe { /*-- agregado -*/
	border-radius: 0.35em;
	display: block;

	}

	.frame.fit iframe { /*-- agregado -*/
	border-radius: 0.35em;
	display: block;
	width: 100%;
	}

@media screen and (max-width: 1680px) {	
	.frame.fit iframe { /*-- agregado -*/
	height:600px;
	}
@media screen and (max-width: 720px) {	
	.frame.fit iframe { /*-- agregado -*/
	height:400px;
	
}@media screen and (max-width: 460px) {	
	.frame.fit iframe { /*-- agregado -*/
	height:340px;
	}