.menu .check {
    -gtk-icon-source: url("assets/check-menuitem-unselected.png");
}

.menu .radio {
    -gtk-icon-source: url("assets/check-menuitem-unselected.png");
}

.menu .check:checked {
    -gtk-icon-source: url("assets/check-menuitem-dark.png");
}

.menu .check:checked:insensitive {
    -gtk-icon-source: url("assets/check-menuitem-insensitive-dark.png");
}

.menu .radio:checked {
    -gtk-icon-source: url("assets/radio-menuitem-dark.png");
}

.menu .radio:checked:insensitive {
    -gtk-icon-source: url("assets/radio-menuitem-insensitive-dark.png");
}