leaflet-coupled-layers.css

/* LAYERS CONTROL*/
.control-coupled-layers {
  font-family: 'Source Sans Pro', sans-serif;
  font-size: 14px;
  background: #FFFFFF;
  color: #777;
  box-shadow: 0px 1px 2px 1px rgba(0,0,0,0.50);
  border-radius: 5px;
  text-transform: uppercase;
  line-height: 26px; 
}

.control-coupled-layers-toggle {
  text-align: center;
  padding: 0 1em;
  display: block;
  cursor: pointer;
}

.control-coupled-layers .control-coupled-layers-list {
  height: 0px;
  border-top: none; 
  opacity: 0;
  overflow: hidden;
}

.control-coupled-layers-expanded .control-coupled-layers-list {
  height: auto;
  position: relative;
  visibility: visible;
  opacity: 1;
}

.control-coupled-layers label {
  display: block;
  cursor: pointer;
  padding: 0 1em;  
  font-weight: normal !important;
  margin: 0 !important;
}

.control-coupled-layers .control-coupled-layers-selector {
  display: none;
}

.control-coupled-layers .control-coupled-layers-selector:checked ~ label {
  color: #222222;
  background-color: #E0E0E0;
}

.control-coupled-layers-separator {
  border-top: 1px solid #777;
}

.control-coupled-layers-last > .weather-layer-container:last-of-type label {
  border-radius: 0 0 5px 5px;
}