CSS3 content使用实例页面

CSS代码：

.content1{width:240px; border:4px double #beceeb; padding:30px 10px; text-align:center;}
.content1:before{content:open-quote;}
.content1:after{content:close-quote;}
                

HTML代码：

<div class="content1">有引号则支持content属性</div>