.ch337-external-player {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 360px;
  border: 0;
  background: #07101d;
}

.ch337-external-thumbnail {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (max-width: 720px) {
  .ch337-external-player { min-height: 440px; }
}