HMTL CSS 類的繼承

來源:互聯網
上載者:User
html檔案:<html><head><title>test</title><link href="mm.css" rel="stylesheet" type="text/css"/></head><body><div class="mm"></div><div class="gg"></div><div class="qiuqiu"></div></body></html>css檔案:.mm,.gg,.qiuqiu{margin:0px;padding:0px;width:990px;height:180px;}.mm{background-color:#FF00FF;}.gg{background-color:#FFFF00;}.qiuqiu{background-color:#dfdfdf;}
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