ID选择器{ 属性:属性值 } <html> <head> <meta http-equiv="Content-Type" content="text/html;charset=gb2312"/> <title>ID选择器的应用</title> <style type="text/css"> #fi Read More
posted @ 2017-05-20 20:25
顶起脚尖仰望
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把外层的标签写在前面,内层的标签写在后面,之间用空格分隔 <html> <head> <title>后代选择器</title> <style type="text/css"> h3 strong{ color:blue; font-size:36px; } </style> </head> <bod Read More
posted @ 2017-05-20 20:04
顶起脚尖仰望
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