zeus.ugent.be/content/assets/stylesheets/includes/tiles.scss

#homepage {
  .box {
    background-color: $box-colour;

    &.highlighted {
      background-color: $highlighted-box-colour;

      .content {
        color: $highlighted-text-colour;

        h1, h2 {
          color: $highlighted-text-colour;
        }
      }
    }
  }
}

.centering {
  display: flex;
  justify-content: center;
}