![image]()
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>rem适配</title>
<style>
*{
padding: 0;
margin: 0;
}
/* 1.使用媒体查询,给不同视口的屏幕设置不同的HTML字号 */
/* @media (width:320px) {
html{
font-size: 32px;
}
}
@media (width:375px) {
html{
font-size: 37.5px;
}
}
@media (width:414px) {
html{
font-size: 41.1px;
}
} */
/* js库可以实现媒体查询的效果,并且包含的型号更广泛 */
/* 2.使用rem书写字号 */
.box{
width: 5rem;
height: 3rem;
background-color: pink;
}
</style>
</head>
<body>
<div class="box"></div>
<!-- 引入js库 -->
<script src="flexible.js"></script>
</body>
</html>
![image]()
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>rem布局</title>
<style>
/* 68*29 */
div{
width: 1.813rem;
height: 0.773rem;
background-color: pink;
}
</style>
</head>
<body>
<div></div>
<script src="flexible.js"></script>
</body>
</html>
![image]()