<style>
.vidfg16 {
position: relative;
left: calc(50% - 300px);
width: 600px;
height: 360px;
object-fit: cover; /* 视频内容适应元素尺寸 */
mask: linear-gradient(to top right, red 90%, transparent 90.5%, transparent 0);
-webkit-mask: linear-gradient(to top right, red 90%, transparent 90.5%, transparent 0);
}
</style>
<video class="vidfg16" src="https://img.tukuppt.com/video_show/2269348/00/16/33/5e9dbc8f66523.mp4" autoplay loop></video>
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