.tools{height:30px;width:100px;padding:5px 10px;background:#333;border-radius:3px;position:absolute;top:0;left:0;-webkit-transform:translate(-50%,-100%);transform:translate(-50%,-100%);-webkit-transition:all .2s;transition:all .2s;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}.tools:after{content:"";position:absolute;left:50%;top:-5px;-webkit-transform:translateX(-50%);transform:translateX(-50%);width:0;height:0;border-left:6px solid transparent;border-right:6px solid transparent;border-bottom:6px solid #333}