bigbluebutton-Github/bigbluebutton-html5/imports/ui/components/audio/permissions-overlay/styles.scss

@mixin arrowIconStyle() {
  &:after {
    top: -50px;
    left: -20px;
    font-size: 20px;
    display: block;
    font-family: 'bbb-icons';
    content: "\E906";
    position: relative;

    [style~="--enableAnimation:1;"] & {
      animation: bounce 2s infinite;
    }
  }

  :global(.browser-edge) &:after {
    top: -50px;
    left: -15.5em;
    font-size: 20px;
  }
}

@mixin positionHint() {
  :global(.browser-edge) & {
    left: 50%;
    bottom: 10%;
  }
  :global(.browser-firefox) & {
    top: 210px;
    left: 605px;
  }
  :global(.browser-chrome) & {
    top: 145px;
    left: 380px;
  }
  :global(.browser-safari) & {
    top: 100px;
    left: 100px;
  }
}

.overlay {
  position: fixed;
  z-index: 1002;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: rgba(0, 0, 0, .85);

  [style~="--enableAnimation:1;"] & {
    animation: fade-in .5s ease-in;
  }
}

.hint {
  @include positionHint();

  position: absolute;
  color: #fff;
  font-size: 16px;
  font-weight: 400;
  line-height: 18px;
  width: 300px;

  small {
    display: block;
    font-size: 12px;
    line-height: 14px;
    margin-top: 3px;
    opacity: .6;
  }

  @include arrowIconStyle();
}

@-webkit-keyframes bounce {
  0%,
  20%,
  50%,
  80%,
  100% {
    -webkit-transform: translateY(0);
    transform: translateY(0);
  }
  40% {
    -webkit-transform: translateY(10px);
    transform: translateY(10px);
  }
  60% {
    -webkit-transform: translateY(5px);
    transform: translateY(5px);
  }
}

@-moz-keyframes bounce {
  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(10px);
  }
  60% {
    transform: translateY(5px);
  }
}

@keyframes bounce {
  0%,
  20%,
  50%,
  80%,
  100% {
    -ms-transform: translateY(0);
    transform: translateY(0);
  }
  40% {
    -ms-transform: translateY(10px);
    transform: translateY(10px);
  }
  60% {
    -ms-transform: translateY(5px);
    transform: translateY(5px);
  }
}

@keyframes bounceRotate {
  0%,
  20%,
  50%,
  80%,
  100% {
    -ms-transform: translateY(0) rotate(180deg);
    transform: translateY(0) rotate(180deg);
  }
  40% {
    -ms-transform: translateY(10px) rotate(180deg);
    transform: translateY(10px) rotate(180deg);
  }
  60% {
    -ms-transform: translateY(5px) rotate(180deg);
    transform: translateY(5px) rotate(180deg);
  }
}

@keyframes fade-in {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}