console
<div class="banner">
<video autoplay muted loop>
<source src="https://bpic.588ku.com/video_listen/588ku_preview/20/06/28/16/04/45/video5ef84f1de37d7.mp4" type='video/mp4'>
</video>
<h2>video</h2>
</div>
.banner {
display: flex;
justify-content: center;
align-items: center;
position: absolute;
width: 100%;
height: 100vh;
overflow: hidden;
}
.banner video {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
object-fit: cover;
}
.banner h2 {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100vh;
background: #fff;
text-align: center;
line-height: 100vh;
font-size: 30vw;
text-transform: uppercase;
color: #000;
mix-blend-mode: screen;
}