bigbluebutton-Github/bigbluebutton-html5/imports/ui/stylesheets/mixins/_indicators.scss

@import "/imports/ui/stylesheets/variables/palette";
@import "/imports/ui/stylesheets/variables/general";

@mixin presenterIndicator() {
  &:before {
    opacity: 1;
    top: var(--user-indicators-offset);
    left: var(--user-indicators-offset);
    bottom: auto;
    right: auto;
    border-radius: 5px;
    background-color: var(--color-primary);
  }

  :global(.browser-chrome) &:before,
  :global(.browser-firefox) &:before {
    padding: .45rem;
  }

  :global(.browser-edge) &:before {
    padding-top: var(--indicator-padding-top);
    padding-left: var(--indicator-padding-left);
    padding-right: var(--indicator-padding-right);
    padding-bottom: var(--indicator-padding-bottom);
  }
}

@mixin indicatorStyles() {
  &:after {
    opacity: 1;
    width: 1.2rem;
    height: 1.2rem;
  }

  :global(.browser-edge) &:after {
    padding-top: var(--indicator-padding-top);
    padding-left: var(--indicator-padding-left);
    padding-right: var(--indicator-padding-right);
    padding-bottom: var(--indicator-padding-bottom);
  }
}