html {
  background-color: #3aa7e6;
  font-family: Arial, Helvetica, sans-serif;
  flex-wrap: wrap;
}

h1 {
  text-align: left;
}

#heshe {
  display: block;
  margin-left: auto;
  margin-right: auto;
}

/* make sure the html element that will contain map has some dimensions! */
#myMap {
  width: 80vw;
  height: 70vh;
  margin: 0 auto;
  padding: 50px;
  display: block;
  text-align: center;
  background-color: #3b3b3b;
  border-radius: 12px;
  float: inline-end;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

/* Leaflet map settings */
.leaflet-layer,
.leaflet-control-zoom-in,
.leaflet-control-zoom-out,
.leaflet-control-attribution {
  filter: invert(100%) hue-rotate(180deg) brightness(95%) contrast(90%);
}