.video-wrapper {
  position: relative;
  display: block;
  height: 0;
  padding: 0;
  overflow: hidden;
  padding-bottom: 56.25%;
}

.video-wrapper>iframe {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.danger {
  color: #CC0000;
}

.warning {
  color: #FF8800;
}

.success {
  color: #007E33;
}

.info {
  color: #0099CC;
}