.videoList{
}
.item {
  position: relative;
  width: 155px;
  height: 155px;
  border-radius: 10px;
  margin-bottom: 16px;
  overflow: hidden;
}
.playIcon{
    position: absolute;
    left: 10px;
    bottom: 10px;
    width: 22px;
    height: 22px;
}