标签：width height mix mode position blend
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Document</title>
<style>
.box-wrap {
position: relative;
width: 80px;
height: 80px;
.box1,
.box2 {
position: absolute;
inset: 0;
width: 100%;
height: 100%;
}
.box1 {
background-color: rgba(255, 0, 0, 1);
}
.box2 {
top: 20px;
left: 20px;
background-color: rgba(0, 0, 255, 1);
mix-blend-mode: screen;
}
}
.box2-wrap {
position: relative;
left: 120px;
width: 200px;
.bg,
.video {
position: absolute;
inset: 0;
width: 100%;
}
.video {
mix-blend-mode: screen;
}
}
.bg,
.video,
.canvas {
width: 200px;
height: auto;
object-fit: contain;
box-sizing: border-box;
}
</style>
</head>
<body>
<div class="box-wrap">
<div class="box1"></div>
<div class="box2"></div>
</div>
<hr />
<div class="box2-wrap">
<img src="./school_overcast-s.jpg" alt="" class="bg" />
<video src="./rains-s.mp4" controls autoplay loop muted class="video"></video>
</div>
</body>
</html>
标签：width,
height,
mix,
mode,
position,
blend
From： https://www.cnblogs.com/chlai/p/18175797