CSS三角形广告文字_html/css

原图某区域如下：

实现上图效果是需要一些想象力的，比如三角形的构成和左右两边的空白间距，懂的这个原理，然后熟练运用border属性，一切就OK了

比如其中一个三角形

div.arrow_ltitle1 { width: 0; height: 0; border-top: 35px solid white; border-bottom: 35px solid white; border-left: 25px solid #68C339;}

HTML代码如下：

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CSS样式如下：

body{font-family: 微软雅黑; padding:0; margin:0px auto; width:700px; }.fl{float: left;}.fr{float: right;}.empty10{ height:20px; clear:both}.shadow{-moz-box-shadow: 0 0 20px #777676;box-shadow: 0 0 20px #777676; padding: 5px; background: white;}.arrow_shadow{-moz-box-shadow: 5px 5px 10px #B7B7B7; box-shadow: 5px 5px 10px #B7B7B7;}/*第1个广告样式*/div.arrow_ltitle1{width: 0; height: 0;border-top: 35px solid white;border-bottom: 35px solid white; border-left: 25px solid #68C339;}div.arrow_rtitle1{ position: relative; width: 0;height: 0; border-top: 35px solid #68C339; border-right: 210px solid #68C339; border-bottom: 35px solid #68C339; border-left: 25px solid white;}div.arrow_lcontent1{text-align: center; width: 80px; height: 70px;background: #68C339;color: white;font-size: 15px;}div.arrow_rcontent1{color: white;position: absolute;left: 10px;top: -30px;width: 180px;font-size: 15px;}/*第2个广告样式*/div.arrow_ltitle2{width: 0; height: 0;border-top: 35px solid white;border-bottom: 35px solid white; border-left: 25px solid #E2B32E;}div.arrow_rtitle2{ position: relative; width: 0;height: 0; border-top: 35px solid #E2B32E; border-right: 210px solid #E2B32E; border-bottom: 35px solid #E2B32E; border-left: 25px solid white;}div.arrow_lcontent2{text-align: center; width: 80px; height: 70px;background: #E2B32E;color: white;font-size: 15px;}div.arrow_rcontent2{color: white;position: absolute;left: 10px;top: -30px;width: 180px;font-size: 15px;}/*第3个广告样式*/div.arrow_ltitle3{width: 0; height: 0;border-top: 35px solid white;border-bottom: 35px solid white; border-left: 25px solid #4381CE;}div.arrow_rtitle3{ position: relative; width: 0;height: 0; border-top: 35px solid #4381CE; border-right: 210px solid #4381CE; border-bottom: 35px solid #4381CE; border-left: 25px solid white;}div.arrow_lcontent3{text-align: center; width: 80px; height: 70px;background: #4381CE;color: white;font-size: 15px;}div.arrow_rcontent3{color: white;position: absolute;left: 10px;top: -30px;width: 180px;font-size: 15px;}/*第4个广告样式*/div.arrow_ltitle4{width: 0; height: 0;border-top: 35px solid white;border-bottom: 35px solid white; border-left: 25px solid #9C2E8F;}div.arrow_rtitle4{ position: relative; width: 0;height: 0; border-top: 35px solid #9C2E8F; border-right: 210px solid #9C2E8F; border-bottom: 35px solid #9C2E8F; border-left: 25px solid white;}div.arrow_lcontent4{text-align: center; width: 80px; height: 70px;background: #9C2E8F;color: white;font-size: 15px;}div.arrow_rcontent4{color: white;position: absolute;left: 10px;top: -30px;width: 180px;font-size: 15px;}/*第5个广告样式*/div.arrow_ltitle5{width: 0; height: 0;border-top: 35px solid white;border-bottom: 35px solid white; border-left: 25px solid #403D6F;}div.arrow_rtitle5{ position: relative; width: 0;height: 0; border-top: 35px solid #403D6F; border-right: 210px solid #403D6F; border-bottom: 35px solid #403D6F; border-left: 25px solid white;}div.arrow_lcontent5{text-align: center; width: 80px; height: 70px;background: #403D6F;color: white;font-size: 15px;}div.arrow_rcontent5{color: white;position: absolute;left: 10px;top: -30px;width: 180px;font-size: 15px;}/*第6个广告样式*/div.arrow_ltitle6{width: 0; height: 0;border-top: 35px solid white;border-bottom: 35px solid white; border-left: 25px solid #EA6F05;}div.arrow_rtitle6{ position: relative; width: 0;height: 0; border-top: 35px solid #EA6F05; border-right: 210px solid #EA6F05; border-bottom: 35px solid #EA6F05; border-left: 25px solid white;}div.arrow_lcontent6{text-align: center; width: 80px; height: 70px;background: #EA6F05;color: white;font-size: 15px;}div.arrow_rcontent6{color: white;position: absolute;left: 10px;top: -30px;width: 180px;font-size: 15px;}