针对CSS中min-width和max-wdith等详细的用法，通过演示代码，来了解如何使用。

<!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>
        /* 当页面宽度大于1200px*/
        @media screen and (min-width:1200px) {
            body{
                background:saddlebrown;
            }
        }


        /* 当页面宽度大于960px小于1200px */
        @media screen and (min-width:960px) and (max-width:1200px){
            body{
                background:yellow;
            }
        }

          /* 当页面宽度大于600px小于960px */
          @media screen and (min-width:600px) and (max-width:960px){
            body{
                background:darkmagenta;
            }
        }


         /* 当页面宽度大于300px小于600px */
         @media screen and (min-width:300px) and (max-width:600px){
            body{
                background:aqua;
            }
        }


          /* 当页面宽度小于300px*/
        @media screen and (max-width:300px) {
            body{
                background:salmon;
            }
        }
    </style>
</head>

<body>

    <div class="box">
        <div></div>
        <div></div>
        <div></div>
        <div></div>
        <div></div>
    </div>
</body>

</html>

来源：https://blog.csdn.net/weixin_44647098/article/details/116455455