ol-ext/control/LayerSwitcherImage.css

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

.ol-control.ol-layerswitcher-image {
  position: absolute;
  right: 0.5em;
  text-align: left;
  top: 1em;
  transition: all 0.2s ease 0s;
  -webkit-transition: all 0.2s ease 0s;
}
.ol-control.ol-layerswitcher-image.ol-collapsed {
  top:3em;
  -webkit-transition: none;
  transition: none;
}

.ol-layerswitcher-image .panel {
  list-style: none;
  padding: 0.25em;
  margin:0;
  overflow: hidden;
}

.ol-layerswitcher-image .panel ul {
  list-style: none;
  padding: 0 0 0 20px;
  overflow: hidden;
}

.ol-layerswitcher-image.ol-collapsed .panel {
  display:none;
}
.ol-layerswitcher-image.ol-forceopen .panel {
  display:block;
  clear:both;
}

.ol-layerswitcher-image button {
  float: right;
  display:none;
}

.ol-layerswitcher-image.ol-collapsed button {
  display:block;
  position:relative;
}

.ol-layerswitcher-image li {
  border-radius: 4px;
  border: 3px solid transparent;
  box-shadow: 1px 1px 4px rgba(0, 0, 0, 0.5);
  display: inline-block;
  width: 64px;
  height: 64px;
  margin:2px;
  position: relative;
  background-color: #fff;
  overflow: hidden;
  vertical-align: middle;
  cursor:pointer;
}
.ol-layerswitcher-image li.ol-layer-hidden {
  opacity: 0.5;
  border-color:#555;
}
.ol-layerswitcher-image li.ol-header {
  display: none;
}

.ol-layerswitcher-image li img {
  position:absolute;
  max-width:100%;
}
.ol-layerswitcher-image li.select,
.ol-layerswitcher-image li.ol-visible {
  border: 3px solid red;
}

.ol-layerswitcher-image li p {
  display:none;
}
.ol-layerswitcher-image li:hover p {
  background-color: rgba(0, 0, 0, 0.5);
  color: #fff;
  bottom: 0;
  display: block;
  left: 0;
  margin: 0;
  overflow: hidden;
  position: absolute;
  right: 0;
  text-align: center;
  height:1.2em;
  font-family:Verdana, Geneva, sans-serif;
  font-size:0.8em;
}