diff --git a/themes/atom-light-ui/overlay.css b/themes/atom-light-ui/overlay.css
new file mode 100644
index 000000000..f789ada7d
--- /dev/null
+++ b/themes/atom-light-ui/overlay.css
@@ -0,0 +1,6 @@
+.overlay {
+  background-color: #e5e5e5;
+  border-top: 1px solid #979797;
+  color: #333;
+  padding: 10px;
+}
diff --git a/themes/atom-light-ui/package.cson b/themes/atom-light-ui/package.cson
index 53831688d..18cff697d 100644
--- a/themes/atom-light-ui/package.cson
+++ b/themes/atom-light-ui/package.cson
@@ -1,6 +1,7 @@
 'stylesheets': [
   'atom.css'
   'editor.css'
+  'overlay.css'
   'select-list.css'
   'tree-view.css'
   'tabs.css'