geoproject-app/public/assets/css/src/_buttons.scss

button {
  cursor: pointer;

  border: 1px solid var(--color-browngray-300);
  color: var(--color-browngray-300);
  background-color: var(--color-panel-bg);
  border-radius: var(--border-radius);
  padding: 0.1rem 0.3rem;

  &.active {
    border: 1px solid #000;
    color: #000;
  }

  &.tab {
    &.active {
      background-color: #000;
      color: #fff;
      border: none;
    }
  }
}