.chatBox{margin:0 auto;max-width:1000px;height:100%;position:relative;z-index:1;.nav{height:54px;border-bottom:1px solid #eeeff0;.appname{font-size:14px;font-weight:700;color:#222}.refresh{height:30px;background-color:#eee;padding:3px 6px;font-size:14px;border-radius:5px;box-sizing:border-box;color:#333;img{width:18px;height:18 px;vertical-align:bottom;margin-left:3px}}.appmenu{img{width:20px;height:20px;vertical-align:bottom}}}}.userInfoArea{border:1px solid #eee;box-sizing:border-box;background:#fafafa;border-radius:10px}.loginout{background:#1395f4;border-radius:10px;color:#fafafa;font-size:16px}.textareabox{textarea{width:100%;height:100%;border:none;outline:none;background:#fafafa;resize:none;font-size:14px;line-height:20px}}