.tieba-sign-card .dialogJcontent{padding:0}.tieba-sign-card .dialogJcontent .tieba-sign-card-container{height:400px;width:500px}.tieba-sign-card .dialogJcontent .tieba-sign-card-link{display:block;height:400px;width:500px;background:url(//tieba.baidu.com/tb/cms/tbmall/images/sign_activity.png) no-repeat center;margin-top:-40px}