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<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." />
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<title>CSS技巧之圆角背景与三角形@Mr.Think</title>
<style>
/*reset css*/
body{background:#888;font-size:0.8em;letter-spacing:1px;font-family:\5fae\8f6f\96c5\9ed1; line-height:1.8em}
div,em,p{margin:0;padding:0}
input{font:12px/1.5 tahoma,arial,sans-serif; vertical-align:middle}
h1{font-size:1em; font-weight:normal}
h1 a{ padding:2px 3px;background:#047; color:#fff; text-decoration:none}
h1 a:hover{background:#a40000; color:#fff; text-decoration:underline}
h3{margin:1em auto; position:relative;color:#888; font-weight:bold;font-size:1em}
.triangle{margin:20px}
.round{margin:0 20px}
.box{padding:10px;background:#cf6}
/*round*/
.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*/
.r_a, .r_b, .r_c, .r_d {display:block; overflow:hidden}/*四个圆角*/
.r_a, .r_b, .r_c{height:1px}
.r_b, .r_c, .r_d{background:#cf6}
.r_a {margin:0 5px}
.r_b {margin:0 3px; border-width:0 2px}
.r_c {margin:0 2px}
.r_d {height:2px; margin:0 1px}
/*triangle*/
.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*/}
.triangle em.a{border-color:transparent transparent #fff transparent;_border-color:#000 #000 #fff #000}
.triangle em.b{border-color:transparent transparent transparent #fff;_border-color:#000 #000 #000 #fff}
.triangle em.c{border-color:#fff transparent transparent transparent;_border-color:#fff #000 #000 #000}
.triangle em.d{border-color:transparent #fff transparent transparent;_border-color:#000 #fff #000 #000}
</style>
</head>
<body>
<!--DEMO start-->
<div class="round">
<!--左上角/右上角-->
<div class="r_top"><em class="r_a"></em><em class="r_b"></em><em class="r_c"></em><em class="r_d"></em></div>
<div class="box">
<h1><a href="http://mrthink.net/%22%3EMr.Think的个人博客</a><br>@专注前端技术,热爱PHP,崇尚简单生活.</h1>
<h3>返回文章页:<a href="http://mrthink.net/css-common-round-triangle/%22%3ECSS技巧之圆角背景与三角形@Mr.Think</a></h3>
</div>
<!--左下角/右下角-->
<div class="r_bottom"><em class="r_d"></em><em class="r_c"></em><em class="r_b"></em><em class="r_a"></em></div>
</div>
<div class="triangle">
<em></em>
<br>
<em class="a"></em>
<br>
<em class="b"></em>
<br>
<em class="c"></em>
<br>
<em class="d"></em>
<br>
</div>
</body>
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