How your T-shirt can make a real difference?

{"secondary_text_color": "#606f7b", "questions_and_answers_active": true, "stars_color": "#FFC617", "text_color": "#3d4852", "main_font": "Roboto", "background_color": "transparent", "theme_color": "#000000", "buttons_color": "#000000", "preferred_language": "en", "theme_transparent_color": "rgba(0, 0, 0, 0.2)", "navbar_text_color": "#ffffff", "number_review_columns": 2, "confirm_review_by_email": true}