.menu .check { background-image: url("assets/check-menuitem-unselected.png"); } .menu .radio { background-image: url("assets/check-menuitem-unselected.png"); } .menu .check:active { background-image: url("assets/check-menuitem-dark.png"); } .menu .check:active:insensitive { background-image: url("assets/check-menuitem-insensitive-dark.png"); } .menu .radio:active { background-image: url("assets/radio-menuitem-dark.png"); } .menu .radio:active:insensitive { background-image: url("assets/radio-menuitem-insensitive-dark.png"); }