html,
.site-header {
  color: $light;
  background-color: $dark;
}

.site-header__nav li {
  color: $light;
  border-color: $light;
  
  &:hover {
    background-color: $dark;
  }
}

.site-header__title a {
  color: $light;
}

.item-tile {
  &--heading,
  &__header {
    background-color: $light;
  }
  
  &--heading,
  &__header,
  &__title,
  &__subtitle {
    color: $dark;
  }
}