【CSS】css video 背景全屏视频

效果

实现

    <video autoplay muted loop>
      <source src="@/assets/res-kg/video-kg.mp4" type="video/mp4" />
    </video>

  video {
    position: absolute;
    top: 0;
    left: 0;
    object-fit: cover;
    width: 100%;
    height: 100%;
    pointer-events: none;
  }