src/plugins/easy-button.css

.leaflet-bar button,
.leaflet-bar button:hover {
  background-color: #fff;
  border: none;
  border-bottom: 1px solid #ccc;
  width: 26px;
  height: 26px;
  line-height: 26px;
  display: block;
  text-align: center;
  text-decoration: none;
  color: black;
}

.leaflet-bar button {
  background-position: 50% 50%;
  background-repeat: no-repeat;
  overflow: hidden;
  display: block;
}

.leaflet-bar button:hover {
  background-color: #f4f4f4;
}

.leaflet-bar button:first-of-type {
  border-top-left-radius: 4px;
  border-top-right-radius: 4px;
}

.leaflet-bar button:last-of-type {
  border-bottom-left-radius: 4px;
  border-bottom-right-radius: 4px;
  border-bottom: none;
}

.leaflet-bar.disabled,
.leaflet-bar button.disabled {
  cursor: default;
  pointer-events: none;
  opacity: .4;
}

.easy-button-button .button-state{
  display: block;
  width: 100%;
  height: 100%;
  position: relative;
}


.leaflet-touch .leaflet-bar button {
  width: 30px;
  height: 30px;
  line-height: 30px;
}