border-radius:圆角
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1 <html xmlns="http://www.w3.org/1999/xhtml"> 2 <head runat="server"> 3 <title></title> 4 <style type="text/css"> 5 #div1{border-radius:10px;background-color:#dddddd;border:2px solid #a1a1a1;height:100px;width:100px;float:left} 6 #shadow{box-shadow:10px 10px 5px #888888;margin-left:20px;background-color:#dddddd;float:left;border:2px solid #a1a1a1;height:100px;width:100px;} 7 </style> 8 </head> 9 <body> 10 <form id="form1" runat="server"> 11 <div id="div1"> 12 13 </div> 14 <div id="shadow"> 15 16 </div> 17 </form> 18 </body> 19 </html>

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