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  • css使用技巧总结

    1.css通用样式

     1 @charset "gb2312"; 3 /* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ global ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
     4 * { margin:0; padding:0;}
     5 html,body { height:100%;}
     6 body { background:#d4e3eb; font-family:"微软雅黑","宋体"; position:relative;}
     7 ul li, ol li { list-style:none;}
     8 h1,h2,h3,h4,h5,h6,em { font-weight:normal;}
     9 table { border-collapse:collapse;border-spacing:0}}
    10 fieldset,img { border:0; vertical-align:middle;}
    11 a { color:#2f3b54; text-decoration:none;}
    12 a:focus { outline:0;}
    13 a:focus,a:hover { color:#c00;}
    14 input,textarea { font-family:"微软雅黑","Arial";}
    15 p{word-wrap:break-word}
    16 /* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ layout ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
    17 .clearfix { zoom:1;} /* 清除浮动 */
    18 .clearfix:after { content:"."; display:block; height:0; visibility:hidden; clear:both;}
    19 .l { float:left;}
    20 .r { float:right;}
    21 .c { clear:both;}
    22 .block { display:block;}
    23 .none { display:none;}

     2.减少Div中的html元素

      常用的布局元素包括:div,h1,h2,h3,h4,h5,p,label,span,em,strong,ul,li;使用div作为主要的容器,其余元素填充div里面的内容

      布局方式:

    1   <div> 
    2   <h1></h1>
    3   <p><span></span>xxx</p>
    4   </div>

      取代

    <div>
    <div id="div1"/>
    <div id="div2"/>    
    </div>

    3.Css Hark问题

    <head>
        <title></title>
        <!--IE条件注释法-->
        <!--[if IE 6]>
            <link type="text/css" href="#" rel="stylesheet"/>
        <![endif]-->
        
        <!--如果大于ie6-->
        <!--[if gt IE 6]>
              <link type="text/css" href="#" rel="stylesheet"/>
        <![endif]-->
    
        <style type="text/css">
            .test{60px;height:50px;border:1px solid red;} /* ie6,7,8,9*/
            /*选择符前缀法*/
            *html .test{70px;}  /* ie6*/
            *+html .test{80px;}  /*ie7*/
            /*样式属性前缀法*/
            .test1{60px;*70px;_80px;height:50px;border:1px solid green;} /* *ie6,ie7*/
            /* _ie6*/
        </style>
    </head>
    <body>
        <div class="test"></div>
        <div class="test1"></div>
    </body>
    </html>
    <!--[if IE 6]>
        <script type="text/javascript">
            alert("test");
        </script>
    <![endif]-->
    

      

      

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  • 原文地址:https://www.cnblogs.com/binfire/p/2864646.html
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