#wcai-chat-button{position:fixed;bottom:20px;right:20px;cursor:pointer;background:#2271b1;color:#fff;padding:12px;border-radius:50%;z-index:9999}
#wcai-chat-box{position:fixed;bottom:70px;right:20px;width:300px;height:350px;background:#fff;border:1px solid #ccc;z-index:9999}
#wcai-messages{height:300px;overflow:auto}