.header-content {
  text-align: center;
  background-image: url("../images/video_bg.jpg");
  background-position: center center;
  background-size: cover; }
  .header-content h1 {
    color: #fff;
    margin-top: 70px;
    font-size: 40px; }
  .header-content h4 {
    font-size: 20px;
    padding: 0 10%;
    color: #fff;
    line-height: 30px;
    margin-bottom: 70px; }

.body-content {
  background-color: #fafafa;
  padding: 30px 0; }

.list-video {
  margin: 0;
  list-style: none;
  padding: 0; }
  .list-video li {
    display: flex;
    flex-direction: row;
    margin: 25px 0;
    transition: all 0.3s; }
    .list-video li:hover {
      background-color: #fff; }
  .list-video .video-img {
    padding-right: 20px;
    width: 625px;
    position: relative;
    cursor: pointer; }
    .list-video .video-img .preview-img {
      width: 100%;
      height: 355px;
      background-position: center;
      background-size: cover; }
    .list-video .video-img .video-control {
      position: absolute;
      left: calc(50% - 38px);
      top: calc(50% - 32px);
      color: #fff;
      opacity: 0.5;
      transition: opacity 0.3s; }
    .list-video .video-img span {
      font-size: 65px; }
    .list-video .video-img:hover .video-control {
      opacity: 0.9; }
  .list-video .video-info {
    width: calc(100% - 645px); }
    .list-video .video-info h2 {
      color: #0077b3; }
    .list-video .video-info p {
      font-size: 16px; }