Css查漏补缺17-媒体查询小实例 

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>媒体查询小实例</title>
<!--    <link rel="stylesheet" href="css/font-awesome.css">-->
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
    <style>
        *{
            box-sizing: border-box;
        }
        body{
            background-color: #f8f9fa;
        }
        .box_card{
            box-shadow: 7px 7px 10px 0 rgba(76, 110, 245, .1);
            text-align: center;
            padding: 15px;
            background-color: #fff;
            /*margin: 30px;*/
            margin-bottom: 30px;
        }
        .fry_card_icon{
            color: #ff4f81;
            text-align: center;
            font-size: 30px;
            margin-bottom: 10px;
        }
        .fry_card_title {
            font-size: 20px;
            font-weight: 600;
            color: #333;
            letter-spacing: 1px;
            margin-bottom: 10px;
        }
        .fry_card_content {
            font-size: 15px;
            color: #777;
            margin-bottom: 5px;
        }

        @media only all and (min-width: 1200px) {
            .column{
                width: 25%;
                float: left;
                padding-left: 15px;
                padding-right: 15px;
            }
            .fry_lg_3{
                width: 25%;
                float: left;
                padding-left: 15px;
                padding-right: 15px;
            }
        }
        @media only all and (max-width: 1200px) {
            .column{
                width: 33.33333333%;
                float: left;
                padding-left: 15px;
                padding-right: 15px;
            }
            .fry_md_4{
                width: 33.33333333%;
                float: left;
                padding-left: 15px;
                padding-right: 15px;
            }
        }
        @media only all and (max-width: 768px) {
            .column{
                width: 50%;
                float: left;
                padding-left: 15px;
                padding-right: 15px;
            }
            .fry_sm_6{
                width: 50%;
                float: left;
                padding-left: 15px;
                padding-right: 15px;
            }
        }
        @media only all and (max-width: 400px) {
            .column{
                width: 100%;
                float: left;
                padding-left: 15px;
                padding-right: 15px;
            }
        }
    </style>
</head>
<body>
<!--
我的网站的页面是用bootstrap框架的栅格系统来做的
bootstrap栅格系统的 核心也是使用 媒体查询

-->

    <div class="column fry_sm_6 fry_lg_3 fry_md_4">
        <div class="box_card">
            <span class="fa fa-building fa-fw fry_card_icon" style=""></span>
            <div class="fry_card_title" style="">课程</div>
            <p class="fry_card_content" style="">大量精品编程课程</p>
        </div>
    </div>
<div class="column fry_sm_6 fry_lg_3 fry_md_4">
    <div class="box_card">
        <span class="fa fa-building fa-fw fry_card_icon" style=""></span>
        <div class="fry_card_title" style="">课程</div>
        <p class="fry_card_content" style="">大量精品编程课程</p>
    </div>
</div>
<div class="column fry_sm_6 fry_lg_3 fry_md_4">
    <div class="box_card">
        <span class="fa fa-building fa-fw fry_card_icon" style=""></span>
        <div class="fry_card_title" style="">课程</div>
        <p class="fry_card_content" style="">大量精品编程课程</p>
    </div>
</div>
<div class="column fry_sm_6 fry_lg_3 fry_md_4">
    <div class="box_card">
        <span class="fa fa-building fa-fw fry_card_icon" style=""></span>
        <div class="fry_card_title" style="">课程</div>
        <p class="fry_card_content" style="">大量精品编程课程</p>
    </div>
</div>
<div class="column fry_sm_6 fry_lg_3 fry_md_4">
    <div class="box_card">
        <span class="fa fa-building fa-fw fry_card_icon" style=""></span>
        <div class="fry_card_title" style="">课程</div>
        <p class="fry_card_content" style="">大量精品编程课程</p>
    </div>
</div>
<div class="column fry_sm_6 fry_lg_3 fry_md_4">
    <div class="box_card">
        <span class="fa fa-building fa-fw fry_card_icon" style=""></span>
        <div class="fry_card_title" style="">课程</div>
        <p class="fry_card_content" style="">大量精品编程课程</p>
    </div>
</div>
<div class="column fry_sm_6 fry_lg_3 fry_md_4">
    <div class="box_card">
        <span class="fa fa-building fa-fw fry_card_icon" style=""></span>
        <div class="fry_card_title" style="">课程</div>
        <p class="fry_card_content" style="">大量精品编程课程</p>
    </div>
</div>
<div class="column fry_sm_6 fry_lg_3 fry_md_4">
    <div class="box_card">
        <span class="fa fa-building fa-fw fry_card_icon" style=""></span>
        <div class="fry_card_title" style="">课程</div>
        <p class="fry_card_content" style="">大量精品编程课程</p>
    </div>
</div>
<div class="column fry_sm_6 fry_lg_3 fry_md_4">
    <div class="box_card">
        <span class="fa fa-building fa-fw fry_card_icon" style=""></span>
        <div class="fry_card_title" style="">课程</div>
        <p class="fry_card_content" style="">大量精品编程课程</p>
    </div>
</div>
<div class="column fry_sm_6 fry_lg_3 fry_md_4">
    <div class="box_card">
        <span class="fa fa-building fa-fw fry_card_icon" style=""></span>
        <div class="fry_card_title" style="">课程</div>
        <p class="fry_card_content" style="">大量精品编程课程</p>
    </div>
</div>



</body>
</html>

 

posted @ 2020-06-24 00:08  Tsui98'  阅读(81)  评论(0)  编辑  收藏  举报