bigbluebutton-Github/bigbluebutton-html5/imports/ui/components/media/styles.scss

@import "imports/ui/stylesheets/variables/_all";

.container {
  position: relative;
  display: flex;
  flex: 2;
  align-items: center;
  justify-content: center;
}

%ratio {
  position: relative;
  display: block;
  height: 0;
  padding: 0;
  padding-bottom: calc(100% * 9 / 16);
}

%ratio-item {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.overlayWrapper {
  position: absolute;
  width: 30%;
  right: 2%;
  bottom: 2%;

  @include mq($large-up) {
    flex-basis: 15%;
  }
}

.overlayRatio {
  @extend %ratio;
}

.overlay {
  @extend %ratio-item;
}