#map{height:600px;width:100%}.loader{height:600px;background-color:#ddd;text-align:center;font-size:25px;margin-top:300px}.loader.overlay{z-index:999;position:relative;margin-top:0;background-color:transparent;display:flex;align-items:center;justify-content:center;color:#fff}.loader.overlay:before{position:absolute;content:'';background-color:rgb(0,0,0,0.4);margin-top:0;height:100%;width:100%;left:0;top:0;z-index:999}.loader.overlay *{color:#fff;position:relative;z-index:999}