css圆角效果
简洁型css圆角：
<style type="text/css">.b1,.b2,.b3,.b4,.b1b,.b2b,.b3b,.b4b,.b{display:block;overflow:hidden;}.b1,.b2,.b3,.b1b,.b2b,.b3b{height:1px;}.b2,.b3,.b4,.b2b,.b3b,.b4b,.b{border-left:1px solid #999;border-right:1px solid #999;}.b1,.b1b{margin:0 5px;background:#999;}.b2,.b2b{margin:0 3px;border-width:2px;}.b3,.b3b{margin:0 2px;}.b4,.b4b{height:2px;margin:0 1px;}.d1{background:#F7F8F9;}.k {height:300px;}</style></head><body><div><b src="/img/2012/07/01/03431915065.jpg" width="412" alt="css圆角成效"><style type="text/css">.raised{background:transparent;width:40%;}.raised h1,.raised p{margin:0 10px;}.raised h1{font-size:2em;color:#fff;}.raised p{padding-bottom:0.5em;}.raised .b1,.raised .b2,.raised .b3,.raised .b4,.raised .b1b,.raised .b2b,.raised .b3b,.raised .b4b{display:block;overflow:hidden;font-size:1px;}.raised .b1,.raised .b2,.raised .b3,.raised .b1b,.raised .b2b,.raised .b3b{height:1px;}.raised .b2{background:#ccc;border-left:1px solid #fff;border-right:1px solid #eee;}.raised .b3{background:#ccc;border-left:1px solid #fff;border-right:1px solid #ddd;}.raised .b4{background:#ccc;border-left:1px solid #fff;border-right:1px solid #aaa;}.raised .b4b{background:#ccc;border-left:1px solid #eee;border-right:1px solid #999;}.raised .b3b{background:#ccc;border-left:1px solid #ddd;border-right:1px solid #999;}.raised .b2b{background:#ccc;border-left:1px solid #aaa;border-right:1px solid #999;}.raised .b1{margin:0 5px;background:#fff;}.raised .b2, .raised .b2b{margin:0 3px;border-width:0 2px;}.raised .b3, .raised .b3b{margin:0 2px;}.raised .b4, .raised .b4b{height:2px; margin:0 1px;}.raised .b1b{margin:0 5px; background:#999;}.raised .boxcontent{display:block;background:#ccc;border-left:1px solid #fff;border-right:1px solid #999;}</style></head><body><div src="/img/2012/07/01/03431915066.jpg" width="403" alt="css圆角成效">
<style type="text/css">.serif { background: transparent; width:40%; }.serif h1, .serif p { margin:0 10px; }.serif h1 { font-size:2em; color:#fff; }.serif p { padding-bottom:0.5em; }.serif .b1, .serif .b2, .serif .b3, .serif .b4 { display:block; overflow:hidden; font-size:1px; }.serif .b1, .serif .b2, .serif .b3 { height:1px; }.serif .b2, .serif .b3 { background:#fc0; border-left:1px solid #fff; border-right:1px solid #fff; }.serif .b4 { background:#fc0; border-left:1px solid #fff; border-right:1px solid #fff; }.serif .b1 { margin:0; background:#fff; }.serif .b2 { margin:0 1px; border-width:0 2px; }.serif .b3 { margin:0 3px; }.serif .b4 { height:2px; margin:0 4px; }.serif .boxcontent { display:block; background:#fc0; border-left:1px solid #fff; border-right:1px solid #fff; margin:0 5px; }</style><div src="/img/2012/07/01/03431915067.jpg" width="421" alt="css圆角成效"><style type="text/css">.curved { background:transparent; width:40%; }.curved h1, .curved p { margin:0 10px; }.curved h1 { font-size:2em; color:#fff; }.curved p { padding-bottom:0.5em; }.curved .b1, .curved .b2, .curved .b3, .curved .b4 { display:block; overflow:hidden; height:1px; font-size:1px; }.curved .b2, .curved .b3, .curved .b4 { background:#e0cea3; border-left:1px solid #fff; border-right:1px solid #fff; }.curved .b1 { margin:0 4px; background:#fff; }.curved .b2 { margin:0 4px; height:2px; }.curved .b3 { margin:0 3px; }.curved .b4 { margin:0; height:1px; border-width:0 3px 0 3px; }.curved .boxcontent { display:block; background:#e0cea3; border:0 solid #fff; border-width:0 1px; }</style><div src="/img/2012/07/01/03431915068.jpg" width="402" alt="css圆角成效">
<style type="text/css">.pillar { background:transparent; width:40%; }.pillar h1, .pillar p { margin:0 10px; }.pillar h1 { font-size:2em; color:#fff; }.pillar p { padding-bottom:0.5em; }.pillar .b1, .pillar .b2, .pillar .b3, .pillar .b4 { display:block; overflow:hidden; font-size:1px; }.pillar .b1, .pillar .b2, .pillar .b4 { height:1px; }.pillar .b2, .pillar .b3 { background:#d66; border-left:1px solid #fff; border-right:1px solid #fff; }.pillar .b4 { background:#d66; border-left:4px solid #fff; border-right:4px solid #fff; }.pillar .b1 { margin:0 2px; background:#fff; }.pillar .b2 { margin:0 1px; border-width:0 1px; }.pillar .b3 { height:2px; margin:0; }.pillar .b4 { margin:0 2px; }.pillar .boxcontent { display:block; background:#d66; border-left:1px solid #fff; border-right:1px solid #fff; margin:0 5px; }</style><div class="pillar"><b class="b1"></b><b class="b2"></b><b class="b3"></b><b class="b2"></b><b class="b4"></b><div class="boxcontent"><h1>特殊css圆角矩形</h1></div><b class="b4"></b><b class="b2"></b><b class="b3"></b><b class="b2"></b><b class="b1"></b></div>??