理解CSS的区块
下面一段Html & Css代码
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312" /><link rel="stylesheet" type="text/css" href="style/basic.css" /><title>理解区块</title><style type="text/css">#condition{background:orange;border:1px solid black;padding:20px;}.box{border:1px solid black;margin:10px;/*外边距，上下左右空10px*/padding:10px/*内边距，上下左右空10px*/}#condition p{color:blue;}.box p{color:red;}</style></head><body><div id="condition"><p>理解区块的测试</p><div alt="懂得CSS的区块">
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