diff --git a/index.less b/index.less
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index 0000000..4b6ec76
--- /dev/null
+++ b/index.less
@@ -0,0 +1,14 @@
+@import 'stylesheets/atom';
+@import 'stylesheets/utilities';
+@import 'stylesheets/text';
+@import 'stylesheets/git';
+@import 'stylesheets/sites';
+@import 'stylesheets/loading';
+@import 'stylesheets/buttons';
+@import 'stylesheets/panels';
+@import 'stylesheets/panes';
+@import 'stylesheets/lists';
+@import 'stylesheets/editor';
+@import 'stylesheets/tabs';
+@import 'stylesheets/overlays';
+@import 'stylesheets/dropdowns';
diff --git a/package.cson b/package.cson
deleted file mode 100644
index 6a4d360..0000000
--- a/package.cson
+++ /dev/null
@@ -1,16 +0,0 @@
-'stylesheets': [
-  'atom'
-  'utilities'
-  'text'
-  'git'
-  'sites'
-  'loading'
-  'buttons'
-  'panels'
-  'panes'
-  'lists'
-  'editor'
-  'tabs'
-  'overlays'
-  'dropdowns'
-]
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..a3ce322
--- /dev/null
+++ b/package.json
@@ -0,0 +1,19 @@
+{
+  "name": "atom-ui-dark",
+  "theme": true,
+  "version": "0.0.0",
+  "description": "Default dark theme for interface components",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/atom/atom-dark-ui.git"
+  },
+  "bugs": {
+    "url": "https://github.com/atom/atom-dark-ui/issues"
+  },
+  "engines": {
+    "atom": ">26.0"
+  },
+  "publishConfig": {
+    "registry": "https://atom.iriscouch.com/registry/_design/app/_rewrite"
+  }
+}
diff --git a/atom.less b/stylesheets/atom.less
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diff --git a/editor.less b/stylesheets/editor.less
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diff --git a/git.less b/stylesheets/git.less
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diff --git a/lists.less b/stylesheets/lists.less
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diff --git a/loading.less b/stylesheets/loading.less
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diff --git a/overlays.less b/stylesheets/overlays.less
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diff --git a/panels.less b/stylesheets/panels.less
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diff --git a/sites.less b/stylesheets/sites.less
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diff --git a/tabs.less b/stylesheets/tabs.less
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diff --git a/text.less b/stylesheets/text.less
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diff --git a/ui-mixins.less b/stylesheets/ui-mixins.less
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diff --git a/ui-variables.less b/stylesheets/ui-variables.less
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diff --git a/utilities.less b/stylesheets/utilities.less
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