<!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>
/* vw单位 */
.box2 {
/* 只有视口宽度的10% */
width: 10vw;
height: 100px;
background-color: yellowgreen;
}
</style>
</head>
<body>
<div class="box2">vw单位</div>
</body>
</html>
{{uploading-image-893421.png(uploading...)}}
原文：https://www.cnblogs.com/jianjie/p/13779044.html