diff --git a/themes/atom-light-ui/markdown.css b/themes/atom-light-ui/markdown.css
new file mode 100644
index 000000000..43ac710a5
--- /dev/null
+++ b/themes/atom-light-ui/markdown.css
@@ -0,0 +1,15 @@
+.source.gfm {
+  color: #444;
+}
+
+.gfm .markup.heading {
+  color: #111;
+}
+
+.gfm .link {
+  color: #888;
+}
+
+.gfm .variable.list {
+  color: #888;
+}
\ No newline at end of file
diff --git a/themes/atom-light-ui/package.cson b/themes/atom-light-ui/package.cson
index 53831688d..759272a9d 100644
--- a/themes/atom-light-ui/package.cson
+++ b/themes/atom-light-ui/package.cson
@@ -8,4 +8,5 @@
   'command-panel.css'
   'command-logger.css'
   'blurred.css'
+  'markdown.css'
 ]