CSS技巧之圆角背景与三角形实现方法

2024-07-11 08:38:53

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的确, 它们都可以通过图片来实现, 但, 抛开用代码实现可以减小图片加载量不说, 当你遇到三角形或圆角背景下还有一层非纯色背景时, 你又不得不考虑IE6 png兼容问题, 嗯, IE6,万恶之源. 此时, CSS三角形及圆角背景将是上佳选择.
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<br /><!DOCTYPE HTML><br /><html><br /><head><br /><meta charset=”utf-8″><br /><meta name=”author” content=”Mr.Think青鸟” /><br /><meta name=”keywords” content=”Mr.Think,前端开发,WEB前端,前端技术,前端开发,WEB前端开发,用户体验,网站策划,网站优化,青鸟,javascript,jQuery,css,xhtml,html,UE,SEO,Mr.Think的博客,青鸟的博客,PHP爱好者,Bluebirdsky” /><br /><meta name=”description” content=”Mr.Think的博客,中文网名青鸟,现专注于WEB前端开发,同时也是一位PHP的爱好者.爱思考,有点代码洁癖,生吃过螃蟹腿,喜好肉食.这里是我记录知识与生活琐事的地方.” /><br /><link rel=”pingback” href=”http://mrthink.net/xmlrpc.php” /><br /><link rel=”alternate” type=”application/rss+xml” title=”Mr.Think的博客 RSS Feed” href=”http://mrthink.net/feed/” /><br /><title>CSS技巧之圆角背景与三角形@Mr.Think</title><br /><style><br />/*reset css*/<br />body{background:#888;font-size:0.8em;letter-spacing:1px;font-family:/5fae/8f6f/96c5/9ed1; line-height:1.8em}<br />div,em,p{margin:0;padding:0}<br />input{font:12px/1.5 tahoma,arial,sans-serif; vertical-align:middle}<br />h1{font-size:1em; font-weight:normal}<br />h1 a{ padding:2px 3px;background:#047; color:#fff; text-decoration:none}<br />h1 a:hover{background:#a40000; color:#fff; text-decoration:underline}<br />h3{margin:1em auto; position:relative;color:#888; font-weight:bold;font-size:1em}<br />.triangle{margin:20px}<br />.round{margin:0 20px}<br />.box{padding:10px;background:#cf6}<br />/*round*/<br />.r_top, .r_bottom {display:block; background:transparent; font-size:1px}/*左上右上角和左下右下角的容器*/<br />.r_a, .r_b, .r_c, .r_d {display:block; overflow:hidden}/*四个圆角*/<br />.r_a, .r_b, .r_c{height:1px}<br />.r_b, .r_c, .r_d{background:#cf6}<br />.r_a {margin:0 5px}<br />.r_b {margin:0 3px; border-width:0 2px}<br />.r_c {margin:0 2px}<br />.r_d {height:2px; margin:0 1px}<br />/*triangle*/<br />.triangle em{display:block;width:0;height:0;font-size:0;line-height:0;border-width:40px;border-style:solid;border-color:#cf6 #fff #39c #ffc;_filter:chroma(color=#000000)/*色度滤镜,让IE6实现透明borderColor.滤镜的颜色值不可简写*/}<br />.triangle em.a{border-color:transparent transparent #fff transparent;_border-color:#000 #000 #fff #000}<br />.triangle em.b{border-color:transparent transparent transparent #fff;_border-color:#000 #000 #000 #fff}<br />.triangle em.c{border-color:#fff transparent transparent transparent;_border-color:#fff #000 #000 #000} </SPAN> </div> </div> <div class=page1> <p align="center" class="pageLink"></p> </div> <div class="fenxiang">  <div style="text-align:left">上一篇：<a href='/wen/2024/07-11/1343003.html'>CSS3正方体旋转示例代码</a></div> <br> <div style="text-align:left">下一篇：<a href='/wen/2024/07-11/1343005.html'>CSS中使用expression完美设置页面最小宽度(兼容ie)</a></div> <br> <script src=/d/js/acmsd/gao21.js></script>  </div> <div class="pinglun">  <script> function CheckPl(obj) { if(obj.saytext.value=="") { alert("您没什么话要说吗？"); obj.saytext.focus(); return false; } return true; } </script><form action="/e/pl/doaction.php" method="post" name="saypl" id="saypl" onsubmit="return CheckPl(document.saypl)"> <table width="100%" border="0" cellpadding="0" cellspacing="0" id="plpost"> <tr> <td><table width="100%" border="0" cellpadding="0" cellspacing="0" class="title"> <tr> <td><strong>发表评论</strong></td> <td align="right"><a href="/e/pl/?classid=215&id=1343004">共有<span><script type="text/javascript" src="/e/public/ViewClick/?classid=215&id=1343004&down=2"></script></span>条评论</a></td> </tr> </table> <table width="100%" border="0" cellspacing="10" cellpadding="0"> <tr> <td><table width="100%" border="0" cellpadding="0" cellspacing="2"> <tr> <td width="56%" align="left">用户名: <input name="username" type="text" class="inputText" id="username" value="" size="16" /></td> <td width="44%" align="left">密码: <input name="password" type="password" class="inputText" id="password" value="" size="16" /></td> </tr> <tr> <td align="left">验证码: <input name="key" type="text" class="inputText" size="10" /> <img src="/e/ShowKey/?v=pl" align="absmiddle" /> </td> <td align="left"><input name="nomember" type="checkbox" id="nomember" value="1" checked="checked" /> 匿名发表</td> </tr> </table> <textarea name="saytext" cols="70" rows="6" id="saytext">

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