如何使用CSS实现小三角形效果:在众多的网页效果中，都有小三角形效果的应用，能够增加特定应用的美观度，下面就给出一段实例代码，里面介绍了两种实现小三角头效果的方式。代码如下:
<!DOCTYPE html><html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><meta name="author" content="http://www.51texiao.cn/" /><title>三种纯CSS实现三角形的方法</title><style type="text/css">.message-box { position:relative; float:left; margin:80px 0 0 100px; width:240px; height:60px; line-height:60px; border:1px solid #000; text-align:center; color:#0C7823;}.triangle-border { position:absolute; left:100px; overflow:hidden; width:0; height:0; border-width:10px; border-style:none dashed solid dashed;}.tb-border { top:-10px; border-color:#000 transparent #000 transparent;}.tb-background { top:-9px; border-color:transparent transparent #fff transparent;}/*字符*/.triangle-character { position:absolute; left:100px; overflow:hidden; width:26px; height:26px; font:normal 26px "宋体";}.tc-background { top:-12px; color:#FFF;}.tc-border { top:-13px; color:#000;}</style></head><body><div class="message-box"> <span> border 属性实现</span> <div class="triangle-border tb-border"></div> <div class="triangle-border tb-background"></div></div><div class="message-box"> <span> ◆ 字符实现</span> <div class="triangle-character tc-border">◆</div> <div class="triangle-character tc-background">◆</div></div></body></html>原文地址是:http://www.51texiao.cn/div_cssjiaocheng/2015/0501/505.html
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