摸鱼时无意间发现google浏览器的新标签页的背景颜色会根据系统的主题来变化.好奇它是怎么做到的. 原来只是一个CSS的媒体查询.prefers-color-scheme
prefers-color-scheme: dark 深色主题 prefers-color-scheme: light 浅色主题
实现效果如下↓↓↓↓
具体代码如下↓↓↓↓
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
@media (prefers-color-scheme: dark) {
body {
background: #222;
color: #fff;
}
}
</style>
</head>
<body>
<h1>Hello world!</h1>
</body>
</html>