.leaflet-container .leaflet-grid-mouseposition {
    background-color: rgba(255, 255, 255, 0.7);
    box-shadow: 0 0 5px #bbb;
    padding: 5px;
    margin:20px;
    color: #000;
    font: 12px "Helvetica Neue", Arial, Helvetica, sans-serif;
    width: 80px;
    text-align:center;
  }