GridPane{ -fx-background-color: #282C34; } Label{ -fx-text-fill: white; } .main-btn{ -fx-background-color: #ffffff; -fx-text-fill: white; -fx-background-radius: 5em; -fx-min-width: 40px; -fx-min-height: 40px; -fx-max-width: 40px; -fx-max-height: 40px; }