diff --git a/gtk-3.0/assets/numix_asset_slicetable.svg b/assets/all-assets.svg
similarity index 100%
rename from gtk-3.0/assets/numix_asset_slicetable.svg
rename to assets/all-assets.svg
diff --git a/gtk-3.0/assets/checkbox-checked-dark.png b/assets/checkbox-checked-dark.png
similarity index 100%
rename from gtk-3.0/assets/checkbox-checked-dark.png
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diff --git a/gtk-3.0/assets/checkbox-checked-insensitive-dark.png b/assets/checkbox-checked-insensitive-dark.png
similarity index 100%
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diff --git a/gtk-3.0/assets/checkbox-checked-insensitive.png b/assets/checkbox-checked-insensitive.png
similarity index 100%
rename from gtk-3.0/assets/checkbox-checked-insensitive.png
rename to assets/checkbox-checked-insensitive.png
diff --git a/gtk-3.0/assets/checkbox-checked.png b/assets/checkbox-checked.png
similarity index 100%
rename from gtk-3.0/assets/checkbox-checked.png
rename to assets/checkbox-checked.png
diff --git a/gtk-3.0/assets/checkbox-mixed-dark.png b/assets/checkbox-mixed-dark.png
similarity index 100%
rename from gtk-3.0/assets/checkbox-mixed-dark.png
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diff --git a/gtk-3.0/assets/checkbox-mixed-insensitive-dark.png b/assets/checkbox-mixed-insensitive-dark.png
similarity index 100%
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diff --git a/gtk-3.0/assets/checkbox-mixed-insensitive.png b/assets/checkbox-mixed-insensitive.png
similarity index 100%
rename from gtk-3.0/assets/checkbox-mixed-insensitive.png
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diff --git a/gtk-3.0/assets/checkbox-mixed.png b/assets/checkbox-mixed.png
similarity index 100%
rename from gtk-3.0/assets/checkbox-mixed.png
rename to assets/checkbox-mixed.png
diff --git a/gtk-3.0/assets/checkbox-unchecked-dark.png b/assets/checkbox-unchecked-dark.png
similarity index 100%
rename from gtk-3.0/assets/checkbox-unchecked-dark.png
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diff --git a/gtk-3.0/assets/checkbox-unchecked-insensitive-dark.png b/assets/checkbox-unchecked-insensitive-dark.png
similarity index 100%
rename from gtk-3.0/assets/checkbox-unchecked-insensitive-dark.png
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diff --git a/gtk-3.0/assets/checkbox-unchecked-insensitive.png b/assets/checkbox-unchecked-insensitive.png
similarity index 100%
rename from gtk-3.0/assets/checkbox-unchecked-insensitive.png
rename to assets/checkbox-unchecked-insensitive.png
diff --git a/gtk-3.0/assets/checkbox-unchecked.png b/assets/checkbox-unchecked.png
similarity index 100%
rename from gtk-3.0/assets/checkbox-unchecked.png
rename to assets/checkbox-unchecked.png
diff --git a/gtk-3.0/assets/grid-selection-checked-dark.png b/assets/grid-selection-checked-dark.png
similarity index 100%
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rename to assets/grid-selection-checked-dark.png
diff --git a/gtk-3.0/assets/grid-selection-checked.png b/assets/grid-selection-checked.png
similarity index 100%
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diff --git a/gtk-3.0/assets/grid-selection-unchecked-dark.png b/assets/grid-selection-unchecked-dark.png
similarity index 100%
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rename to assets/grid-selection-unchecked-dark.png
diff --git a/gtk-3.0/assets/grid-selection-unchecked.png b/assets/grid-selection-unchecked.png
similarity index 100%
rename from gtk-3.0/assets/grid-selection-unchecked.png
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diff --git a/gtk-3.0/assets/menuitem-checkbox-checked-hover.png b/assets/menuitem-checkbox-checked-hover.png
similarity index 100%
rename from gtk-3.0/assets/menuitem-checkbox-checked-hover.png
rename to assets/menuitem-checkbox-checked-hover.png
diff --git a/gtk-3.0/assets/menuitem-checkbox-checked-insensitive.png b/assets/menuitem-checkbox-checked-insensitive.png
similarity index 100%
rename from gtk-3.0/assets/menuitem-checkbox-checked-insensitive.png
rename to assets/menuitem-checkbox-checked-insensitive.png
diff --git a/gtk-3.0/assets/menuitem-checkbox-checked.png b/assets/menuitem-checkbox-checked.png
similarity index 100%
rename from gtk-3.0/assets/menuitem-checkbox-checked.png
rename to assets/menuitem-checkbox-checked.png
diff --git a/gtk-3.0/assets/menuitem-checkbox-mixed-hover.png b/assets/menuitem-checkbox-mixed-hover.png
similarity index 100%
rename from gtk-3.0/assets/menuitem-checkbox-mixed-hover.png
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diff --git a/gtk-3.0/assets/menuitem-checkbox-mixed-insensitive.png b/assets/menuitem-checkbox-mixed-insensitive.png
similarity index 100%
rename from gtk-3.0/assets/menuitem-checkbox-mixed-insensitive.png
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diff --git a/gtk-3.0/assets/menuitem-checkbox-mixed.png b/assets/menuitem-checkbox-mixed.png
similarity index 100%
rename from gtk-3.0/assets/menuitem-checkbox-mixed.png
rename to assets/menuitem-checkbox-mixed.png
diff --git a/gtk-3.0/assets/menuitem-radio-checked-hover.png b/assets/menuitem-radio-checked-hover.png
similarity index 100%
rename from gtk-3.0/assets/menuitem-radio-checked-hover.png
rename to assets/menuitem-radio-checked-hover.png
diff --git a/gtk-3.0/assets/menuitem-radio-checked-insensitive.png b/assets/menuitem-radio-checked-insensitive.png
similarity index 100%
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diff --git a/gtk-3.0/assets/menuitem-radio-checked.png b/assets/menuitem-radio-checked.png
similarity index 100%
rename from gtk-3.0/assets/menuitem-radio-checked.png
rename to assets/menuitem-radio-checked.png
diff --git a/gtk-3.0/assets/pane-handle.png b/assets/pane-handle.png
similarity index 100%
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diff --git a/gtk-3.0/assets/radio-checked-dark.png b/assets/radio-checked-dark.png
similarity index 100%
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diff --git a/gtk-3.0/assets/radio-checked-insensitive-dark.png b/assets/radio-checked-insensitive-dark.png
similarity index 100%
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diff --git a/gtk-3.0/assets/radio-checked-insensitive.png b/assets/radio-checked-insensitive.png
similarity index 100%
rename from gtk-3.0/assets/radio-checked-insensitive.png
rename to assets/radio-checked-insensitive.png
diff --git a/gtk-3.0/assets/radio-checked.png b/assets/radio-checked.png
similarity index 100%
rename from gtk-3.0/assets/radio-checked.png
rename to assets/radio-checked.png
diff --git a/gtk-3.0/assets/radio-mixed-dark.png b/assets/radio-mixed-dark.png
similarity index 100%
rename from gtk-3.0/assets/radio-mixed-dark.png
rename to assets/radio-mixed-dark.png
diff --git a/gtk-3.0/assets/radio-mixed-insensitive-dark.png b/assets/radio-mixed-insensitive-dark.png
similarity index 100%
rename from gtk-3.0/assets/radio-mixed-insensitive-dark.png
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diff --git a/gtk-3.0/assets/radio-mixed-insensitive.png b/assets/radio-mixed-insensitive.png
similarity index 100%
rename from gtk-3.0/assets/radio-mixed-insensitive.png
rename to assets/radio-mixed-insensitive.png
diff --git a/gtk-3.0/assets/radio-mixed.png b/assets/radio-mixed.png
similarity index 100%
rename from gtk-3.0/assets/radio-mixed.png
rename to assets/radio-mixed.png
diff --git a/gtk-3.0/assets/radio-unchecked-dark.png b/assets/radio-unchecked-dark.png
similarity index 100%
rename from gtk-3.0/assets/radio-unchecked-dark.png
rename to assets/radio-unchecked-dark.png
diff --git a/gtk-3.0/assets/radio-unchecked-insensitive-dark.png b/assets/radio-unchecked-insensitive-dark.png
similarity index 100%
rename from gtk-3.0/assets/radio-unchecked-insensitive-dark.png
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diff --git a/gtk-3.0/assets/radio-unchecked-insensitive.png b/assets/radio-unchecked-insensitive.png
similarity index 100%
rename from gtk-3.0/assets/radio-unchecked-insensitive.png
rename to assets/radio-unchecked-insensitive.png
diff --git a/gtk-3.0/assets/radio-unchecked.png b/assets/radio-unchecked.png
similarity index 100%
rename from gtk-3.0/assets/radio-unchecked.png
rename to assets/radio-unchecked.png