cesium/packages/widgets/Source/NavigationHelpButton/NavigationHelpButton.css

.cesium-navigationHelpButton-wrapper {
  position: relative;
  display: inline-block;
}

.cesium-navigation-help {
  visibility: hidden;
  position: absolute;
  top: 38px;
  right: 2px;
  width: 250px;
  border-radius: 10px;
  transform: scale(0.01);
  transform-origin: 234px -10px;
  transition:
    visibility 0s 0.25s,
    transform 0.25s ease-in;
}

.cesium-navigation-help-visible {
  visibility: visible;
  transform: scale(1);
  transition: transform 0.25s ease-out;
}

.cesium-navigation-help-instructions {
  border: 1px solid #444;
  background-color: rgba(38, 38, 38, 0.75);
  padding-bottom: 5px;
  border-radius: 0 0 10px 10px;
}

.cesium-click-navigation-help {
  display: none;
}

.cesium-touch-navigation-help {
  display: none;
  padding-top: 5px;
}

.cesium-click-navigation-help-visible {
  display: block;
}

.cesium-touch-navigation-help-visible {
  display: block;
}

.cesium-navigation-help-pan {
  color: #66ccff;
  font-weight: bold;
}

.cesium-navigation-help-zoom {
  color: #65fd00;
  font-weight: bold;
}

.cesium-navigation-help-rotate {
  color: #ffd800;
  font-weight: bold;
}

.cesium-navigation-help-tilt {
  color: #d800d8;
  font-weight: bold;
}

.cesium-navigation-help-details {
  color: #ffffff;
}

.cesium-navigation-button {
  color: #fff;
  background-color: transparent;
  border-bottom: none;
  border-top: 1px solid #444;
  border-right: 1px solid #444;
  margin: 0;
  width: 50%;
  cursor: pointer;
}

.cesium-navigation-button-icon {
  vertical-align: middle;
  padding: 5px 1px;
}

.cesium-navigation-button:focus {
  outline: none;
}

.cesium-navigation-button-left {
  border-radius: 10px 0 0 0;
  border-left: 1px solid #444;
}

.cesium-navigation-button-right {
  border-radius: 0 10px 0 0;
  border-left: none;
}

.cesium-navigation-button-selected {
  background-color: rgba(38, 38, 38, 0.75);
}

.cesium-navigation-button-unselected {
  background-color: rgba(0, 0, 0, 0.75);
}

.cesium-navigation-button-unselected:hover {
  background-color: rgba(76, 76, 76, 0.75);
}