.side-bar a{width:40px;height:40px;display:inline-block;margin-bottom:2px;margin-left:5px}.side-bar .icon-chat{position:relative}.side-bar .icon-wechat-video{position:relative}.side-bar .icon-chat:hover .chat-tips{display:block}.side-bar .icon-wechat-video:hover .wechat-video-tips{display:block}.icon-chat,.chat-tips i{background-image:url('https://f.hubspotusercontent00.net/hubfs/7010809/Webinar/foot-social/wechat.png');background-size:40px 40px;background-repeat:no-repeat}.icon-wechat-video,.wechat-video-tips i{background-image:url('https://f.hubspotusercontent00.net/hubfs/7010809/Webinar/foot-social/wechat-video.png');background-size:40px 40px;background-repeat:no-repeat}.icon-linkedin,.linkedin-tips i{background-image:url('https://f.hubspotusercontent00.net/hubfs/7010809/Webinar/foot-social/linkedin.png');background-size:40px 40px;background-repeat:no-repeat}.icon-kb,.kb-tips i{background-image:url('https://f.hubspotusercontent00.net/hubfs/7010809/Webinar/foot-social/kb.png');background-size:40px 40px;background-repeat:no-repeat}.icon-blog,.blog-tips i{background-image:url('https://f.hubspotusercontent00.net/hubfs/7010809/Webinar/foot-social/blog.png');background-size:40px 40px;background-repeat:no-repeat}.chat-tips{border:1px solid #d1d2d6;position:absolute;right:-100px;top:-150px;background-color:#fff;display:none}.wechat-video-tips{border:1px solid #d1d2d6;position:absolute;right:-80px;top:-150px;background-color:#fff;display:none}.chat-tips i{width:9px;height:16px;display:inline-block;position:absolute;right:-9px;top:80px;background-position:-88px -350px}.wechat-video-tips i{width:9px;height:16px;display:inline-block;position:absolute;right:-9px;top:80px;background-position:-88px -350px}.chat-tips img{width:125px;height:125px}.wechat-video-tips img{width:125px;height:125px}