diff --git a/gtk-3.0/assets/grid-selection-checked-dark.svg b/gtk-3.0/assets/grid-selection-checked-dark.svg
new file mode 100644
index 0000000..fc83916
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diff --git a/gtk-3.0/assets/grid-selection-checked.svg b/gtk-3.0/assets/grid-selection-checked.svg
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index 0000000..75b5f2d
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diff --git a/gtk-3.0/assets/grid-selection-unchecked-dark.svg b/gtk-3.0/assets/grid-selection-unchecked-dark.svg
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index 0000000..21aba84
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diff --git a/gtk-3.0/assets/grid-selection-unchecked.svg b/gtk-3.0/assets/grid-selection-unchecked.svg
new file mode 100644
index 0000000..87ea9ea
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+++ b/gtk-3.0/assets/grid-selection-unchecked.svg
@@ -0,0 +1,118 @@
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