CSS三角形广告文字

街上经常碰到一些发各类广告传单的，有一次收到一张房地产广告的传单，顺手留下来，看着里面有些广告挺吸引人，同时也想练练自己css技术，故抽空做了一下。

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 class="arrow_ltitle1">
        </div>

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：

    <div class="fl arrow_shadow">
        <div class="arrow_lcontent1 fl">
            <div style="margin-top: 10px">
                <div>
                    低容积率</div>
                <div>
                    <b style="font-size: 15pt">仅2.8</b></div>
            </div>
        </div>
        <div class="arrow_ltitle1 fl">
        </div>
        <div class="arrow_rtitle1 fl">
            <div class="arrow_rcontent1">
                <div>
                    同样的地块，那里建了10栋楼，这里仅仅7栋，居住舒适度你懂得！</div>
            </div>
        </div>
    </div>
    <div class="fr arrow_shadow">
        <div class="arrow_lcontent2 fl">
            <div style="margin-top: 10px">
                <div>
                    低建筑密度</div>
                <div>
                    <b style="font-size: 12pt">仅23.51%</b></div>
            </div>
        </div>
        <div class="arrow_ltitle2 fl">
        </div>
        <div class="arrow_rtitle2 fl">
            <div class="arrow_rcontent2" style="margin-top: 8px">
                <div>
                    最大栋距达到近200米，</div>
                <div>
                    视觉空间超乎想象！</div>
            </div>
        </div>
    </div>
    <div class="empty10">
    </div>
    <div class="fl arrow_shadow">
        <div class="arrow_lcontent3 fl">
            <div style="margin-top: 13px">
                <div>
                    建材用的贵</div>
                <div>
                    品质有保障</div>
            </div>
        </div>
        <div class="arrow_ltitle3 fl">
        </div>
        <div class="arrow_rtitle3 fl">
            <div class="arrow_rcontent3">
                <div>
                    含钢量超出市场同类产品约30%，品质有保障，给您一个五星级的家。</div>
            </div>
        </div>
    </div>
    <div class="fr arrow_shadow">
        <div class="arrow_lcontent4 fl">
            <div style="margin-top: 5px">
                <div>
                    临江</div>
                <div>
                    瞰岛</div>
                <div>
                    官佛</div>
            </div>
        </div>
        <div class="arrow_ltitle4 fl">
        </div>
        <div class="arrow_rtitle4 fl">
            <div class="arrow_rcontent4">
                <div>
                    远离噪音污染，</div>
                <div>
                    与佛相伴修生养性；</div>
                <div>
                    上风上水财运滚滚！</div>
            </div>
        </div>
    </div>
    <div class="empty10">
    </div>
    <div class="fl arrow_shadow">
        <div class="arrow_lcontent5 fl">
            <div style="margin-top: 5px">
                <div>
                    贴近自然</div>
                <div>
                    畅想都市</div>
                <div>
                    慢生活</div>
            </div>
        </div>
        <div class="arrow_ltitle5 fl">
        </div>
        <div class="arrow_rtitle5 fl">
            <div class="arrow_rcontent5">
                <div>
                    太阳岛一墙之隔，</div>
                <div>
                    大佛景区近在咫尺，</div>
                <div>
                    远离都市尾气生活！</div>
            </div>
        </div>
    </div>
    <div class="fr arrow_shadow">
        <div class="arrow_lcontent6 fl">
            <div style="margin-top: 13px">
                <div>
                    买房装修</div>
                <div>
                    一步到位</div>
            </div>
        </div>
        <div class="arrow_ltitle6 fl">
        </div>
        <div class="arrow_rtitle6 fl">
            <div class="arrow_rcontent6">
                <div>
                    四川家装连锁品牌芙蓉锦城提供多种精装套餐服务，实体样板呈现，恭迎品鉴</div>
            </div>
        </div>
    </div>

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;}