.wf-responsive,
.wf-responsive-iframe {
  max-width: 100% !important;
  height: auto;
}

/* fix scrolling issues on iOS */
.wf-responsive-iframe {
  overflow: scroll !important;
  -webkit-overflow-scrolling: touch !important;
}

/* Credits to http://css-tricks.com/NetMag/FluidWidthVideo/Article-FluidWidthVideo.php */

.wf-responsive-iframe-container,
.wf-responsive-object-container,
.wf-responsive-embed-container,
.wf-responsive-video-container {
  position: relative;
  padding-bottom: 56.25%;
  /* support for aspect-ratio set variable if set */
  padding-bottom: calc(var(--aspect-ratio, 0.5625) * 100%);
  /* 16:9 */
  /*padding-top: 25px;*/
  width: 100%;
  height: inherit;
  display: block;
  overflow: hidden;
  /* center container */
  margin: auto;
}

@media screen and (orientation:portrait) {
  .wf-responsive-iframe-container {
    width: 1px;
    min-width: 100%;
    height: 100%;
    padding-bottom: 100%;
  }
}

.wf-responsive-iframe-container iframe,
.wf-responsive-object-container object,
.wf-responsive-embed-container embed,
.wf-responsive-video-container video,
.wf-responsive-video-container iframe {
  border: 0 none;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  box-sizing: border-box;
}

.wf-responsive-audio-container {
  text-align: center;
  width: 100%;
  height: auto;
  display: block;
}

.wf-responsive-fixed-width object,
.wf-responsive-fixed-width embed,
.wf-responsive-fixed-width video {
  height: auto;
}