:root {
  --background-color: #f9f9f9;
  --background-opacity-color: #8ce7ff;
  --navigation-color: #16a7cb;
  --navigation-opacity-color: #c4c4c4;
  --sphere-text-tile-color: -webkit-linear-gradient(93deg, #16a7cb, #8ce7ff 80%);
  --label-opacity-color: #e3f6fb;
  --label-opacity-hover-color: #d6f4fb;
  --link-opacity-color: #e3f6fb;
}