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div区域的颜色没显示出来_html/css_WEB-ITnose

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2016-06-21 09:45:131301browse

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div区域一


div区域二


div区域三


div区域四





这里div_1,div_2,div_3,div_4这几个区域内的颜色没显示出来,这是怎么回事呢?

回复讨论(解决方案)

本帖最后由 net_lover 于 2013-08-03 10:25:50 编辑

你应该写
#div_2{background-color:#99FFCC;}

id选择器使用
#id值进行标识

哦 太感谢了!

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