.video-box {
  width: 200px;             
  aspect-ratio: 9 / 16;     
  border-radius: 24px;      
  overflow: hidden;         
  background-color: #000;
   margin: 0 auto;
}

.video-box video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}