html5 流动布局

时间：2021-09-17 17:04:15
<!DOCTYPE html>

<html>

<head>

    <meta charset="utf-8">

    <meta name="viewport" content="width=device-width,initial-scale=1.0">

    <title>后台登陆</title>

    <style type="text/css">

      body{background:#000;}

      @media(min-width:767px) and (max-width:979px){body{background:red;}}

    </style>

</head>

<body>

</body>

</html>

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