html.hidescrollbar {
  overflow-x: hidden;
}

html.hidescrollbar body {
  overflow-x: hidden;
}

/* ###### CSS for video thumbnails ###### */

ul.youtubewall {
  margin: 0;
  padding: 0;
  list-style: none;
  width: 100%;
  overflow: hidden;
}

ul.youtubewall li {
  width: 25%; /* by default, show 4 columns of thumbnails */
  float: left;
  display: inline;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  padding: 10px; /* general spacing between thumbnails */
  margin-bottom: 8px; /* bottom spacing between thumbnails */
}


ul.youtubewall li h3 {

    font-size: 18px;
   
  }

ul.youtubewall li .thumbwrap {
  position: relative;
  overflow: hidden;
  display: block;
}

/* thumbnail overlay */
ul.youtubewall li .thumbwrap:after {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
  background: black;
  opacity: 0;
  -webkit-transition: opacity 0.6s;
  transition: opacity 0.6s;
}

ul.youtubewall li .panel {
  position: absolute;
  display: block;
  width: 100%;
  height: 100%;
  z-index: 1000;
  top: 0;
  left: 0;
  opacity: 0;
  text-align: center;
}

/* technique to center panel vertically */
ul.youtubewall li .panel:before {
  content: "";
  display: inline-block;
  height: 100%;
  vertical-align: middle;
}

ul.youtubewall li .panel .panelinner {
  display: inline-block;
  position: relative;
  vertical-align: middle; /* center .panelinner vertically */
  -webkit-transform: translate3d(0, -20px, 0);
  transform: translate3d(0, -20px, 0);
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
}

/* fontawesome elements style */
ul.youtubewall li .panel i,
ul.youtubewall li .panel a {
  font-size: 44px;
  color: white;
  cursor: pointer;
  text-decoration: none;
}

ul.youtubewall li .panel a {
  margin-left: 15px;
}

ul.youtubewall li img {
  width: 100%;
  height: auto;
  float: left;
}

ul.youtubewall li:hover .thumbwrap:after {
  opacity: 0.4;
}

ul.youtubewall li:hover .panel {
  opacity: 1;
}

ul.youtubewall li:hover .panel .panelinner {
  -webkit-transform: translate3d(0, 0, 0);
  transform: translate3d(0, 0, 0);
}

/* ###### CSS for video lightbox that pops up ###### */

.videobox {
  position: fixed;
  width: 100%; /* can be any width */
  height: 100%;
  left: 0;
  top: 0;
  display: none;
  z-index: 1000;
  text-align: center;
}

.videobox:before {
  /* pseudo element to force vertical centering of child element */
  content: "";
  display: inline-block;
  height: 100%;
  vertical-align: middle;
}

.videobox:after {
  /* pseudo element to create overlay */
  background: black;
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  opacity: 0.5;
  z-index: 10;
}

/* Centered child element can be any width and height */
.centeredchild {
  position: relative; /* position element to participate in z-indexing */
  z-index: 20; /* higher z-index than overlay */
  display: inline-block;
  vertical-align: middle;
  width: 75%; /* width of video player relative to browser */
  background: transparent;
}

/* Video container to maintain Youtube 16:9 aspect ratio */
.videowrapper {
  position: relative;
  padding-top: 25px;
  padding-bottom: 56.25%; /* 16:9 aspect ratio */
  height: 0;
}

/* Make Youtube IFRAME responsive */
.videowrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* ####### responsive layout CSS ####### */

@media (max-width: 800px) {
  /* FIRST breaking point */
  ul.youtubewall li {
    width: 33%; /* reduce to 3 columns of thumbnails */
  }

  .centeredchild {
    width: 90%; /* enlarge video player container */
  }
}

@media (max-width: 480px) {
  /* SECOND breaking point */
  ul.youtubewall li {
    width: 50%; /* reduce to 2 columns of thumbnails */
  }
}