.leaflet-control-button {
  background-color: #444;
  border: 0.5px solid #444;
  
  width: 27px;
  height: 27px;
  display: block;
  padding: 1px;
  box-sizing: content-box;
}
.leaflet-control-button:hover {
  cursor:pointer;
  opacity:0.75;
  box-shadow: inset 0 0 0 5px #3071A9;
}
.leaflet-buttons-control-img {
  width: 27px;
  height: 27px;
  border-radius: 5px;
}