body {
  margin: 0;
  background-color: #F5F5F5;
  font-family: "Helvetica Neue",Helvetica,Arial,sans-serif;
  color: #38383A;
}

/* Global and small devices - mobile */
header {
  width: 100%;
  padding: 15px;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  background-color: white;
}
header .header-left {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
header .header-right {
  display: flex;
  align-items: center;
  padding: 0 24px;
}
header .header-right .mode-button {
  padding: 10 15px;
  border: 1px solid #DDDDDD;
  cursor: pointer;
}
header .header-right .mode-button:first-child {
  border-top-left-radius: 4px;
  border-bottom-left-radius: 4px;
  border-right: none;
}
header .header-right .mode-button:last-child {
  border-top-right-radius: 4px;
  border-bottom-right-radius: 4px;
}
header .header-right .mode-button.active {
  background-color: #DDDDDD;
  cursor: auto;
}

header .header-left .logo {
  /* padding: 0 15px; */
}
header .header-left .logo img {
  height: 30px;
}
header .header-left h1 {
  margin: 0;
  margin-top: 15px;
  font-size: 24px;
  font-weight: 500;
}

.page-container .active-video {
  display: none; /* Disable on mobile */
}

.page-container .videos-list .video-container {
  margin: 13px;
  display: flex;
  flex-direction: column;
  position: relative;
}
.page-container .videos-list .video-container .video-wrapper {
  width: 100%;
  padding-bottom: 56.25%;
  position: relative;
  background: #D9D9D9;
  border-top-left-radius: 4px;
  border-top-right-radius: 4px;
}
.page-container .videos-list .video-container .video-wrapper .video-overlay {
  display: none;
}
.page-container .videos-list .video-container .video-wrapper .video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
.page-container .videos-list .video-container .video-info {
  padding: 17px;
  background-color: white;
  border: 1px solid #DDDDDD;
  border-top: none;
  border-bottom-left-radius: 4px;
  border-bottom-right-radius: 4px;
}
.page-container .videos-list .video-container .video-info .video-title {
  margin-bottom: 8px;
  font-weight: 500;
  font-size: 16px;
}
.page-container .videos-list .video-container .video-info .video-description {
  font-weight: 400;
  font-size: 14px;
}

/* Medium devices - tablets */
@media (min-width: 768px) {
  header {
  }
  header .header-left {
    flex-direction: row;
    align-items: center;
  }
  header .header-left h1 {
    margin: 0;
    margin-left: 15px;
  }
}

/* Large devices - desktop */
@media (min-width: 992px) {
  header {
    padding: 0;
    height: 77px;
  }
  header .header-left .logo {
    padding: 0 30px;
  }
  header .header-left .logo img {
    height: 45px;
  }
  header .header-left h1 {
    font-size: 36px;
  }

  .page-container {
    margin: 21px;
    background: #FFFFFF;
    border: 1px solid #DDDDDD;
    border-radius: 5px;
  
    display: flex;
    flex-direction: row;
  }

  .page-container .active-video {
    margin: 30px 24px 30px 30px;
    flex-grow: 1;
    display: block;
  }
  .page-container .active-video .video-wrapper {
    width: 100%;
    padding-bottom: 56.25%;
    position: relative;
    background: #D9D9D9;
    border-radius: 8px;
  }
  .page-container .active-video .video-wrapper .video {
    border-radius: 8px;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
  }
  .page-container .active-video .video-title {
    margin-top: 30px;
    font-size: 18px;
  }
  .page-container .active-video .video-description {
    margin-top: 15px;
    font-size: 16px;
  }

  .page-container .videos-list {
    margin: 30px 30px 30px 0;
    width: 25%;
    max-width: 25%;
    min-width: 25%;
  }
  .page-container .videos-list .video-container {
    margin: 0 0 24px;
    cursor: pointer;
  }
  .page-container .videos-list .video-container:last-child {
    margin: 0;
  }
  .page-container .videos-list .video-container:hover {
    opacity: 0.67;
  }
  .page-container .videos-list .video-container .video-wrapper .video-overlay {
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
  }
  .page-container .videos-list .video-container .video-wrapper .video {
    background: #D9D9D9;
    border-radius: 4px;
  }
  .page-container .videos-list .video-container .video-info {
    padding: 15px 0 0;
    background-color: transparent;
    border: none;
    border-radius: 0;
  }

  .page-container .videos-list .video-container.active .video {
    outline: 2px solid #38383A;
  }

  .page-container .videos-list .video-container .video-info .video-description {
    display: none;
  }
}

/* Extra large devices - desktop */
@media (min-width: 1200px) {
  .page-container .videos-list {
    width: 33%;
    max-width: 33%;
    min-width: 33%;
  }

  .page-container .videos-list .video-container {
    flex-direction: row;
    position: relative;
  }
  .page-container .videos-list .video-container .video-ex-wrapper {
    width: 40%;
  }
  .page-container .videos-list .video-container .video-info {
    width: 60%;
    padding: 0 0 0 15px;
    display: flex;
    align-items: center;
  }
}