body{width:100%;height:100%;margin:0}#paper{border:1px solid #e2e2e2;margin:10px auto;background-color:#f3f7f6}.toolbar{position:absolute;width:300px;left:calc(50% - 150px);top:18px;text-align:center}.toolbar-button{outline:none;background:#fff;border:1px solid #e0e0e0;border-radius:16px;text-align:center;font-family:sans-serif;font-size:12px;padding:6px 12px;letter-spacing:.25px;color:#222;cursor:pointer;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}.toolbar-button:hover{background:#f7f8f9}