.chapter_videos .video_box {
  box-shadow: 0px 0px 19px rgba(0,0,0,0.12) !important;
  padding: 15px;
  border-radius: 10px;
  margin: 0 0 20px;
  background: #fff;
  text-align: center;
}
.chapter_videos .video_box video{
  width: 100%;
  border-radius: 10px;
  margin: 0 0 10px;
}
.chapter_videos .video_box p{
  margin: 0;
  font-size: 17px;
}
.chapter_videos .items{
  justify-content: center;
  margin: 0 -5px;
}
.chapter_videos .col-md-2{
  padding: 0 5px;
  margin: 0 0 20px;
}
.chapter_videos .col-md-2 .each {
  box-shadow: 0px 0px 19px rgba(0,0,0,0.12) !important;
  padding: 5px;
  border-radius: 10px;
  background: #fff;
  text-align: center;
  display: inline-block;
  height: 100%;
  cursor: pointer;
}
.chapter_videos .col-md-2 .each img{
  border-radius: 5px;
  margin: 0 0 10px;
}
.chapter_videos .col-md-2 .each p{
  font-size: 13px;
  margin: 0;
  line-height: 19px;
} 
.chapter_videos .col-md-2 .each:hover p{
  color: #0071dc;
}

.chapter_videos .overlay {
  clear: both;
  text-align: center;
  margin: 15px 0 0 !important; 
  display: none;
}
.chapter_videos .overlay .arrow_up, 
.chapter_videos .overlay .arrow_down {
  display: block;
  color: #2b5c85;
  line-height: normal;
  border-radius: 0;
  background: #fff;
  transition: all 0.3s cubic-bezier(.25,.8,.25,1);
  text-align: center;
  cursor: pointer;
  border: none;
  height: auto;
  font-size: 14px;
  width: auto;
}
.chapter_videos .overlay .arrow_up {
  display: none;
  color: #666;
}
.chapter_videos .overlay .arrow_up::after {
  content: "\f077";
  font-family: FontAwesome;
  font-size: 9px;
  margin-right: 5px;
}
.chapter_videos .overlay .arrow_down::after {
  content: "\f078";
  font-family: FontAwesome;
  font-size: 9px;
  margin-right: 5px;
}


 
@media (max-width: 768px) {
  .chapter_videos .items { 
    height: 155px;
    overflow: hidden;
  }
  .chapter_videos .overlay {
    display: block;
  }
}