_responsive-embed.scss
// Credit: Nicolas Gallagher and SUIT CSS.
.embed-responsive {
position: relative;
display: block;
height: 0;
padding: 0;
overflow: hidden;
.embed-responsive-item,
iframe,
embed,
object,
video {
position: absolute;
top: 0;
bottom: 0;
left: 0;
width: 100%;
height: 100%;
border: 0;
}
}
// Modifier class for 21:9 aspect ratio
.embed-responsive-21by9 {
padding-bottom: percentage(9 / 21);
}
// Modifier class for 16:9 aspect ratio
.embed-responsive-16by9 {
padding-bottom: percentage(9 / 16);
}
// Modifier class for 4:3 aspect ratio
.embed-responsive-4by3 {
padding-bottom: percentage(3 / 4);
}