编辑下面的代码:【加编码】
<html> <head> <style> p { border-style:solid; border-left-width:15px; } </style> </head> <body> <p><b>Note:</b> The "border-left-width" property does not work if it is used alone. Use the "border-style" property to set the borders first.</p> </body> </html>
结果: 【此窗口】 帮助?
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