兼容IE7、8的圆角效果@慕课网原创_慕课网

css之border属性实现兼容性圆角
代码展示：
<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>梯形实现圆角(兼容IE7、8)</title>
    <style type="text/css">
        .trapezoid_top{
            width: 204px;
            border: 3px solid;
            border-color: transparent transparent #0a5c8e transparent;
        }
        .trapezoid_content{
            width: 210px;height: 40px;
            background-color: #0a5c8e;
            font-size: 20px;
            line-height: 40px;
            text-align: center;
            color: #fff;
        }
        .trapezoid_bottom{
            width: 204px;
            border: 3px solid;
            border-color: #0a5c8e transparent transparent transparent;
        }
    </style>
</head>
<body>
    <div>
        <div class="trapezoid_top">

        </div>
        <div class="trapezoid_content">
            提&nbsp;&nbsp;&nbsp;&nbsp;交
        </div>
        <div class="trapezoid_bottom">

        </div>
    </div>
</body>
</html>