div与span_html/css_WEB-ITnose

WBOY
Release: 2016-06-24 11:33:39
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div与span的区别:

div标签属于块级元素,span标签属于行内元素,使用对比效果如下:

 1 <!DOCTYPE html> 2 <html> 3 <head lang="en"> 4     <meta charset="UTF-8"> 5     <title>111</title> 6     <style> 7  div{ 8  background-color: #CC99CC; 9  color: blue;10  width: 400px;11         }12  span{13  background-color: #CC99CC;14  color: blue;15  width: 400px;16         }17     </style>18 </head>19 <body>20     <div>div</div>21     <div>div</div>22     <span>span</span>23     <span>span</span>24 </body>25 </html>
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另外,在html页面中,无法直接设置span的高度和宽度,如果需要改变其宽高,就需要将其转变为块体元素(block)或行内块体元素(inline-block):

<!DOCTYPE html><html><head lang="en">    <meta charset="UTF-8">    <title>111</title>    <style>        .class1{            background-color: #CC99CC;            color: blue;            width: 400px;            height: 50px;        }        .class2{            background-color: #CC99CC;            color: blue;            width: 400px;            height: 50px;            display:block;        }    </style></head><body>    <span class="class1">示例</span>    <span class="class2">示例</span></body></html>
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