[guide] [css] Fixed Italic subtitle in css-in-js README.md

AntonioErdeljac · ljharb · commit 1eefaed4fbb8 · 2018-01-10T09:08:21.000+01:00
diff --git a/css-in-javascript/README.md b/css-in-javascript/README.md
@@ -1,6 +1,6 @@
 # Airbnb CSS-in-JavaScript Style Guide
 
-*A mostly reasonable approach to CSS-in-JavaScript
+*A mostly reasonable approach to CSS-in-JavaScript*
 
 ## Table of Contents
 
