CSS实例：图片导航块

  1. 认识CSS的 盒子模型。
  2. CSS选择器的灵活使用。
  3. 实例:
    1. 图片文字用div等元素布局形成HTML文件。
    2. 新建相应CSS文件，并link到html文件中。
    3. CSS文件中定义样式
      1. div.img：border,margin,width,float
      2. div.img img：width，height
      3. div.desc：text-align,padding
      4. div.img:hover：border
      5. div.clearfloat：clear
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>视频网站</title>
    <link rel="stylesheet" type="text/css" href="day20171020.css">
</head>
<body>

<div class="desc">
    <div class="img"><img
            src="https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1509104731&di=d5c5204e379d751ab0ab4fcd7d15b5cd&imgtype=jpg&er=1&src=http%3A%2F%2Fimg3.duitang.com%2Fuploads%2Fitem%2F201602%2F10%2F20160210140725_4PCSG.thumb.700_0.jpeg">
        <a href="https://www.bilibili.com/"><br>bilibili弹幕网</a><br></div>
    <div class="img"><img
            src="https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1508510097340&di=88b4c0d9a13d703761de0bc2135b41ed&imgtype=0&src=http%3A%2F%2Fpic.qqtn.com%2Fup%2F2016-8%2F201608051746587204771.png">
        <a href="http://www.acfun.cn/"><br>Acfun弹幕网</a><br></div>
    <div class="img"><img
            src="https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1509101940&di=e13f028322c1038eff9465a46d854e5e&imgtype=jpg&er=1&src=http%3A%2F%2Fwww.soucaiw.cn%2Fpublic%2Fuploads%2Fimages%2F2017%2F07%2F20170706104859144.png">
        <a href="http://www.iqiyi.com/"><br>爱奇艺视频</a><br></div>
    <div class="img"><img
            src="https://ss2.bdstatic.com/70cFvnSh_Q1YnxGkpoWK1HF6hhy/it/u=149985503,2162500365&fm=27&gp=0.jpg">
        <a href="http://www.youtube.com/"><br>YOUTUBE</a><br></div>

</div>
</body>
</html>
    img{
        width:300px;
        height:260px;
    }

    div.img{
        border:1px solid gray;
        float:left;
        margin:5px;
        padding:5px;
    }
    a:hover {
        background-color:yellow
        height:20px
    }
    div.img img{
        width:90%
        height:auto;
    }
    .desc{
        text-align:center;
        padding:5px;
    }
    img:hover{
        border:1px solid #777777；
    }

 

posted on 2017-10-20 21:34  069王国栋  阅读(146)  评论(0)    收藏  举报

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