.yt-preview {
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}

.yt-preview .embed-btn {
  display: block;
  position: absolute;
  color: #fff;
  text-shadow: 2px 2px 2px rgba(0, 0, 0, 0.15);
}

.card-video .card-title {
  color: #454B80;
  margin-bottom: .5rem;
}
.card-video .card-body.bg-grey {
  height: 100%;
  background-color: #f3f3f3;
}
.card-video .card-body.bg-grey .card-title {
  font-size: 18px;
}