numix-gtk-theme/gtk-3.0/gtk-widgets-assets-dark.css

/*******************
 * check and radio *
 *******************/
/* draw regular check and radio items using our assets */
.check,
.check row:selected,
.check row:selected:focus {
    background-image: url("assets/checkbox-unchecked-dark.svg");
}

.check:insensitive,
.check row:selected:insensitive,
.check row:selected:focus:insensitive {
    background-image: url("assets/checkbox-unchecked-insensitive-dark.svg");
}

.check:active,
.check row:selected:active,
.check row:selected:focus:active {
    background-image: url("assets/checkbox-checked-dark.svg");
}

.check:active:insensitive,
.check row:selected:active:insensitive,
.check row:selected:focus:active:insensitive {
    background-image: url("assets/checkbox-checked-insensitive-dark.svg");
}

.check:inconsistent,
.check row:selected:inconsistent,
.check row:selected:focus:inconsistent {
    background-image: url("assets/checkbox-mixed-dark.svg");
}

.check:inconsistent:insensitive,
.check row:selected:inconsistent:insensitive,
.check row:selected:focus:inconsistent:insensitive {
    background-image: url("assets/checkbox-mixed-insensitive-dark.svg");
}

.radio,
.radio row:selected,
.radio row:selected:focus {
    background-image: url("assets/radio-unselected-dark.svg");
}

.radio:insensitive,
.radio row:selected:insensitive,
.radio row:selected:focus:insensitive {
    background-image: url("assets/radio-unselected-insensitive-dark.svg");
}

.radio:active,
.radio row:selected:active,
.radio row:selected:focus:active {
    background-image: url("assets/radio-selected-dark.svg");
}

.radio:active:insensitive,
.radio row:selected:active:insensitive,
.radio row:selected:focus:active:insensitive {
    background-image: url("assets/radio-selected-insensitive-dark.svg");
}

.radio:inconsistent,
.radio row:selected:inconsistent,
.radio row:selected:focus:inconsistent {
    background-image: url("assets/radio-mixed-dark.svg");
}

.radio:inconsistent:insensitive,
.radio row:selected:inconsistent:insensitive,
.radio row:selected:focus:inconsistent:insensitive {
    background-image: url("assets/radio-mixed-insensitive-dark.svg");
}

.menuitem.check:active {
    background-image: url("assets/menuitem-checkbox-checked.svg");
}

.menuitem.check:active:hover {
    background-image: url("assets/menuitem-checkbox-checked-hover.svg");
}

.menuitem.check:active:insensitive {
    background-image: url("assets/menuitem-checkbox-checked-insensitive.svg");
}

.menuitem.check:inconsistent:hover,
.menuitem.radio:inconsistent:hover {
    background-image: url("assets/menuitem-checkbox-mixed-hover.svg");
}

.menuitem.check:inconsistent,
.menuitem.radio:inconsistent {
    background-image: url("assets/menuitem-checkbox-mixed.svg");
}

.menuitem.check:inconsistent:insensitive,
.menuitem.radio:inconsistent:insensitive {
    background-image: url("assets/menuitem-checkbox-mixed-insensitive.svg");
}

.menuitem.radio:active {
    background-image: url("assets/menuitem-radio-checked.svg");
}

.menuitem.radio:active:hover {
    background-image: url("assets/menuitem-radio-checked-hover.svg");
}

.menuitem.radio:active:insensitive {
    background-image: url("assets/menuitem-radio-checked-insensitive.svg");
}

GtkIconView.content-view.cell.check {
    background-image: url("assets/grid-selection-unchecked-dark.svg");
}

GtkIconView.content-view.cell.check:active {
    background-image: url("assets/grid-selection-checked-dark.svg");
}

/******************
 * pane separator *
 ******************/
.pane-separator.horizontal {
    background-image: url("assets/pane-handle.svg");
    background-repeat: no-repeat;
    background-position: center center;
}

.pane-separator.vertical {
    background-image: url("assets/pane-handle-vertical.svg");
    background-repeat: no-repeat;
    background-position: center center;
}