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diff --git a/categories/22-Dark/applications-games.svg b/categories/22-Dark/applications-games.svg
new file mode 100644
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diff --git a/categories/22-Dark/applications-graphics.svg b/categories/22-Dark/applications-graphics.svg
new file mode 100644
index 00000000..ec3a2423
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diff --git a/categories/22-Dark/applications-internet.svg b/categories/22-Dark/applications-internet.svg
new file mode 100644
index 00000000..13b72982
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new file mode 100644
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diff --git a/categories/22-Dark/system_section.svg b/categories/22-Dark/system_section.svg
new file mode 100644
index 00000000..aa51d38f
--- /dev/null
+++ b/categories/22-Dark/system_section.svg
@@ -0,0 +1,63 @@
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+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
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+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
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+   version="1.1"
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+   sodipodi:docname="applications-system.svg"
+   inkscape:version="0.92.2 (5c3e80d, 2017-08-06)">
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+     id="metadata10">
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+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title />
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+</svg>
diff --git a/categories/22-Dark/xfce-system.svg b/categories/22-Dark/xfce-system.svg
new file mode 100644
index 00000000..aa51d38f
--- /dev/null
+++ b/categories/22-Dark/xfce-system.svg
@@ -0,0 +1,63 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
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+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   viewBox="0 0 22 22"
+   version="1.1"
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+     inkscape:connector-curvature="0"
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+</svg>
diff --git a/index.theme b/index.theme
index ef937c91..09601ab9 100644
--- a/index.theme
+++ b/index.theme
@@ -9,7 +9,7 @@ PanelDefault=22
 PanelSizes=22
 
 # Directory list
-Directories=apps/scalable,apps/22,apps/48,apps/16,places/16-A,places/24,places/48,status/22,devices/48,devices/22,mimetypes/48,panel/22,panel/16,actions/16,actions/22-Dark,actions/48,categories/22,emblems/16,
+Directories=apps/scalable,apps/22,apps/48,apps/16,places/16-A,places/24,places/48,status/22,devices/48,devices/22,mimetypes/48,panel/22,panel/16,actions/16,actions/22-Dark,actions/48,categories/22-Dark,emblems/16,
 
 [apps/scalable]
 Size=48
@@ -107,7 +107,7 @@ Size=48
 Context=Actions
 Type=Scalable
 
-[categories/22]
+[categories/22-Dark]
 Size=22
 Context=Categories
 MinSize=8