style.css

#sidebar {
  z-index: 999 !important;
  position: absolute;
  width: 380px;
  max-height: calc(100vh - 20px);
  overflow-y: scroll;
  background-color: white;
  top: 10px;
  left: 10px;
  opacity: 0.95;
}


.leaflet-control-layers.driver-fix-stacking {
  z-index: 999 !important;
}

.square {
  height: 16px;
  width: 16px;
  display: inline-block;
  border-radius: 2px;
  vertical-align: middle;
}

.leaflet-interactive:hover {
  opacity: 0.8;
}

label {
  cursor: pointer;
}

label:hover {
  opacity: 0.8;
}

.subgroup {
  margin-bottom: 10px;
}

.main-in-group:checked ~ span {
  font-weight: bold;
  color: rgba(0,0,0,0.8);
}

hr {
  border-top: 1px solid #333;
  border-bottom: 0;
}

#activeAreaCalculator {
  position: absolute;
  top: 10px;
  width: 340px;
  margin-left: -170px;
  left: 50%;
  z-index: 999;
  font-size: 0.95em;
}

.leaflet-control-layers-expanded {
  border: 1px solid white;
  border-radius: 2px;
}

#resetFilters {
  cursor: pointer;
  font-size: 20px;
}

.leaflet-tooltip {
  width: 230px;
  white-space: normal !important;
}

/* Tooltip title */
.t-t {
  margin: 0;
  padding: 0;
  color: rgba(0,0,0,0.5);
  font-size: 1em;
}

.t-t:not(:first-child) {
  margin-top: 5px;
}

#driver-popover-item {
  max-width: 450px !important;
}

.bb-dotted {
  border-bottom: 1px dotted #333;
}