.im-button{position:fixed;right:0;bottom:70px;width:50px;height:50px;border-radius:4px 0 0 4px;-webkit-box-shadow:0 0 15px 0 rgba(0,0,0,.15);box-shadow:0 0 15px 0 rgba(0,0,0,.15);background:#1890ff;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center;-webkit-box-align:center;-ms-flex-align:center;align-items:center;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column;cursor:pointer;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;z-index:9999!important}.im-button.bling{-webkit-animation:bling 1s infinite linear;animation:bling 1s infinite linear}.im-button.bling:after{content:"";position:absolute;height:8px;width:8px;background:red;border-radius:50%;right:0;top:-4px}.im-button span{color:#fff}.im-button span:first-child{font-size:20px}.im-button span:last-child{font-size:12px;-webkit-transform:scale(.8);transform:scale(.8)}@-webkit-keyframes bling{0%{opacity:0}50%{opacity:1}to{opacity:0}}@keyframes bling{0%{opacity:0}50%{opacity:1}to{opacity:0}}