MMM-RAIN-MAP.css

.rain-map-time-wrapper {
  --color-history: #003aff;
  --color-now: #000;
  --color-forecast: #ff0074;

  position: absolute;
  display: block;
  background: #ccc;
  padding: 0 10px;
  z-index: 999;
  opacity: 0.75;
  color: #000;
  font-size: 1.2rem;
}

.rain-map-time-wrapper i {
  margin-right: 6px;
}

.rain-map-timeslider {
  width: 0;
  height: 0;
  margin-top: -8px;
  margin-left: -2px;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 10px solid #000;
  position: relative;
  display: block;
}

.rain-map-timeline {
  display: block;
  height: 4px;
  margin-bottom: 5px;
}

.rain-map-time.rain-map-history {
  color: var(--color-history);
}

.rain-map-time.rain-map-now {
  color: var(--color-now);
}

.rain-map-time.rain-map-forecast {
  color: var(--color-forecast);
}

.leaflet-container {
  background-color: transparent !important;
}

.rain-map-wrapper.inverted-colors .leaflet-tile-pane .leaflet-layer:first-child {
  filter: invert(100%) hue-rotate(180deg);
}