书签效果

HTML

<div class="featureBanner"><img src="3.jpg" /></div>
对border这一应用的解释：
<div id="b"></div>
					    

CSS

* {
    margin: 0;
    padding: 0;
}
body { background: #8E8E8E; }
.featureBanner {
    position: relative;
    margin: 20px;
}
.featureBanner:before {
    position: absolute;
    top: 5px;
    left: -8px;
    z-index: 1;						/*定位相关*/
    padding-right: 10px;
    font-weight: bold;
    line-height: 0px;
    color: #000;
    height: 0px;
    border: 15px solid #EE7600;			/*利用的是border属性*/
    border-right-color: transparent;	   /*去掉右边的边框*/
    content: "图片";					/*这里定义标签上的文字*/
    box-shadow: -0px 5px 5px -5px #000;
}
.featureBanner:after {				/*第二部分的效果*/
    content: "";
    position: absolute;
    top: 35px;
    left: -8px;
    border: 4px solid #89540c;
    border-left-color: transparent;
    border-bottom-color: transparent;
}
img {
    width: 300px;
    height: 150px;
}
#b {
    margin: 20px;
    width: 150px;
    height: 0;
    border-right: 20px solid #912CEE;
    border-left: 20px solid #912CEE;
    border-top: 20px solid red;
    border-bottom: 20px solid red;
}