html, body, #map {
  height: 100%;
  margin: 0;
  padding: 0;
  width: 100%;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.leaflet-control-pressure .slider {
  position: relative;
  width: 100px;
  height: 10px;
  background: #ccc;
  border-radius: 5px;
  cursor: pointer;
}

.leaflet-control-pressure .knob {
  position: absolute;
  top: -5px;
  width: 20px;
  height: 20px;
  background: #333;
  border-radius: 50%;
}