Embed Responsive

@use 'sass:math';

// Credit: Nicolas Gallagher and SUIT CSS.

.embed-responsive {
  position: relative;

  overflow: hidden;
  display: block;

  width: 100%;
  padding: 0;

  &::before {
    content: '';
    display: block;
  }

  .embed-responsive-item,
  iframe,
  embed,
  object,
  video {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;

    width: 100%;
    height: 100%;

    border: 0;
  }
}

.embed-responsive--21by9 {
  &::before {
    padding-top: math.percentage(calc(9 / 21));
  }
}

.embed-responsive--16by9 {
  &::before {
    padding-top: math.percentage(calc(9 / 16));
  }
}

.embed-responsive--4by3 {
  &::before {
    padding-top: math.percentage(calc(3 / 4));
  }
}

.embed-responsive--1by1 {
  &::before {
    padding-top: math.percentage(calc(1 / 1));
  }
}