ol-ext/control/Legend.css

A set of cool extensions for OpenLayers (ol) in node modules structure

.ol-control.ol-legend {
  bottom: .5em;
  left: .5em;
  z-index: 1;
  max-height: 90%;
  max-width: 90%;
  overflow-x: hidden;
  overflow-y: auto;
}
.ol-control.ol-legend button {
  position: relative;
  display: none;
}
.ol-control.ol-legend.ol-collapsed button {
    display: block;
}
.ol-control.ol-legend.ol-uncollapsible button {
  display: none;
}

.ol-control.ol-legend button.ol-closebox {
  display: block;
  position: absolute;
  top: 0;
  right: 0;
  background: none;
  cursor: pointer;
  z-index: 1;
}
.ol-control.ol-legend.ol-uncollapsible button.ol-closebox,
.ol-control.ol-legend.ol-collapsed button.ol-closebox {
  display: none;
}
.ol-control.ol-legend button.ol-closebox:before {
  content: "\D7";
  background: none;
  color: rgba(0,60,136,.5);
  font-size: 1.3em;
}
.ol-control.ol-legend button.ol-closebox:hover:before {
  color: rgba(0,60,136,1);
}
.ol-control.ol-legend.ol-uncollapsible .ol-legendImg,
.ol-control.ol-legend .ol-legendImg {
  position: absolute;
  z-index: -1;
}
.ol-control.ol-legend.ol-collapsed .ol-legendImg {
  display: none;
}
.ol-control.ol-legend.ol-uncollapsible .ol-legendImg {
  display: block  ;
}

.ol-control.ol-legend .ol-legendImg canvas {
  height: 100%;;
}

.ol-control.ol-legend > button:first-child:before,
.ol-control.ol-legend > button:first-child:after {
  content: "";
  position: absolute;
  top: .25em;
  left: .2em;
  width: .2em;
  height: .2em;
  background-color: currentColor;
  box-shadow: 0 0.35em, 0 0.7em;
}
.ol-control.ol-legend button:first-child:after {
  top: .27em;
  left: .55em;
  height: .15em;
  width: .6em;
}

.ol-legend ul {
  min-width: 1.5em;
  min-height: 1.5em;
  margin: 0 0 2px;
  padding: 0;
  list-style: none;
  display: inline-block;
}
.ol-control.ol-legend.ol-collapsed ul {
  display: none;
}
.ol-control.ol-legend.ol-uncollapsible ul {
  display: block;
}
.ol-legend ul li.ol-title {
  text-align: center;
  font-weight: bold;
}
.ol-legend ul li {
  overflow: hidden;
  padding: 0 .5em;
}
.ol-legend ul li div {
    display: inline-block;
  vertical-align: middle;
}

.ol-control.ol-legend .ol-legend {
  display: inline-block;
}
.ol-control.ol-legend.ol-collapsed .ol-legend {
  display: none;
}