這是第一個小三角的寫法：
#com_a{ border-top:10px solid #FFFFCC;border-left:10px solid #FF3300;border-bottom:10px solid #FFFFCC;}
以下是一些小三角；可以舉一反三；做出更多的；
<!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><title></title><style>*{ margin:0; padding:0; font-size:12px; font-family:Verdana, "宋體", Arial; line-height:1.8; list-style:none;}#info,#nav{ margin:50px; border:1px dashed #FF3300; background:#FFFFCC; padding:50px;}#info div{background:#FF0000; width:0px; height:0px; overflow:hidden; margin-bottom:10px;}/*一些三角的寫法*/#com_a{ border-top:10px solid #FFFFCC;border-left:10px solid #FF3300;border-bottom:10px solid #FFFFCC;}#com_b{ border-top:10px solid #FFFFCC;border-right:10px solid #FF3300;border-bottom:10px solid #FFFFCC;}#com_c{ border-top:10px solid #FFFFCC;border-right:10px solid #FF3300;border-bottom:10px solid #FFFFCC;border-left:10px solid #FF3300;}#com_d{ border-top:10px solid #FF3300;border-right:10px solid #FFFFCC;border-bottom:10px solid #FF3300;border-left:10px solid #FFFFCC;}#com_e{ border-top:10px solid #FFFFCC;border-left:10px solid #FF3300;}#com_f{ border-top:10px solid #FF3300;border-right:10px solid #FFFFCC;border-left:10px solid #FFFFCC;}#com_g{ border-right:10px solid #FFFFCC;border-bottom:10px solid #FF3300;border-left:10px solid #FFFFCC;}#com_h{ border-top:10px solid #FF3300;border-bottom:10px solid #FF3300;border-left:10px solid #FFFFCC;}#com_i{ border-top:10px solid #FF3300;border-right:10px solid #FF3300;border-bottom:10px solid #FF3300;border-left:10px solid #FFFFCC;}</style></head><body><div id="info"><h1>一些三角形的寫法</h1> <div id="com_a"></div> <div id="com_b"></div> <div id="com_f"></div> <div id="com_g"></div> <div id="com_c"></div> <div id="com_d"></div> <div id="com_e"></div> <div id="com_h"></div> <div id="com_i"></div></div></body></html>
[Ctrl+A 全部選擇 提示：你可先修改部分代碼，再按運行]
以下是一個應用的執行個體：<!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><title></title><style>*{ margin:0; padding:0; font-size:12px; font-family:Verdana, "宋體", Arial; line-height:1.8; list-style:none;}#nav{ margin:50px; border:1px dashed #FF3300; background:#FFFFCC; padding:50px;}a:link,a:visited{color:#FF6600;text-decoration: none;}a:hover,a:active{ color:#FF0000;}#nav a span{overflow:hidden; border-top:6px solid #FFFFCC;border-left:6px solid #FFFFCC;border-bottom:6px solid #FFFFCC; height:0px; width:0px; margin:2px 2px 0 -10px; position:absolute}#nav a:hover span{background:#CC3300;border-top:6px solid #FFFFCC;border-left:6px solid #FF3300;border-bottom:6px solid #FFFFCC;overflow:hidden; float:left;}</style></head><body><div id="nav"><h1>應用的一個執行個體</h1> <ul> <li><a href="http://www.webjx.com" target="_blank"><span></span>網站首頁</a></li> <li><a href="http://www.webjx.com/htmldata/sort/5.html" target="_blank"><span></span>網頁特效</a></li> <li><a href="http://www.webjx.com/htmldata/sort/3.html" target="_blank"><span></span>網頁製作</a></li> <li><a href="http://www.webjx.com/htmldata/sort/15.html" target="_blank"><span></span>視頻教程</a></li> <li><a href="http://www.webjx.com/bbs/" target="_blank"><span></span>網站論壇</a></li> </ul></div></body></html>
[Ctrl+A 全部選擇 提示：你可先修改部分代碼，再按運行]
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