css响应式布局原理

发布时间：2020-07-22 12:17:12 来源：网络阅读：713 作者：Lee_吉栏目：web开发

移动设备优先：

<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">

媒体标签：

@media screen and (min-width: 100px){
    div{
        width: 100px;
        height: 1000px;
        background: yellow;
    }
}

完整代码：

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
<style>
@media screen and (min-width: 100px){
    div{
        width: 100px;
        height: 1000px;
        background: yellow;
    }
}
@media screen and (min-width: 500px){
    div{
        width: 500px;
        height: 1000px;
        background: blue;
    }
}
@media screen and (min-width: 800px){
    div{
        width: 800px;
        height: 1000px;
        background: black;
    }
}
</style>
</head>
<body>
<div></div>
</body>
</html>

效果：

向AI问一下细节

css响应式布局原理

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