<!DOCTYPE html>
<html>
<head>
<style>
.a { background-color: lightgreen;
}
#b { width: 250px;
height: 250px;
}
.c { width: 100px;
height: 100px;
border: 1px solid black;
padding: 2px;
mix-blend-mode: difference;
}
#d { isolation: auto;
}
#e { isolation: isolate;
}
</style>
</head>
<body>
<h1>isolation 属性</h1>
<div id="b" class="a">
<div id="d">
<div class="a c">div d: isolation: auto;</div>
</div>
<div id="e">
<div class="a c">div e: isolation: isolate;</div>
</div>
</div>
<p><b>注释：</b>版本 79 之前的 Edge 不支持 isolation 属性。</p>
</body>
</html>