.rtk-chat-button-fixed{position:fixed;z-index:100;right:20px;bottom:70px;height:40px;width:40px;line-height:40px;cursor:pointer;border-radius:2px;cursor:pointer;-webkit-border-radius:2px;-moz-border-radius:2px;-ms-border-radius:2px;border-radius:2px;text-align:center;z-index:100}.rtk-chat-button-fixed i{color:#fff;font-size:25px;line-height:40px}