body {
  margin: 0;
  padding: 0;
}

img {
  max-width: 100%; 
  height: auto;
}

.imagemap {
  position: relative;
}

.imagemap img {
  display: block;
}

.imagemap .area {
  display: block; 
  position: absolute; 
  transition: box-shadow 0.15s ease-in-out;
}

.imagemap .area:hover {
  /*box-shadow: 0px 0px 1vw rgba(0,0,0,0.5);*/
}