body { margin: 0; padding: 0; }
#map { position: absolute; top: 0; bottom: 0; width: 100%; }

.alert {position: fixed;
  border: solid #1d37de;
  max-width: 400px;
  min-height:400px;
  top:50%;
  left: 50%;
  padding: 10px;
  transform: translate(-50%, -50%);
 /* color: white;*/
  opacity: 1;
  background-color:white;
  transition: opacity 0.6s;
  margin-bottom: 15px;
}


.closebtn {
  margin-left: 15px;
  /*color: white;*/
  font-weight: bold;
  float: right;
  font-size: 22px;
  line-height: 20px;
  cursor: pointer;
  transition: 0.3s;
}

.closebtn:hover {color: black;}