Fix broken jxnblk.com link in react styling

Author: piouson

styling/README.md

@@ -6,6 +6,6 @@ If you are pondering over why to use CSS in JS, I highly recommend this [talk](h
 
 ## Articles
 
-[Patterns for style composition in React](http://jxnblk.com/writing/posts/patterns-for-style-composition-in-react/)
+[Patterns for style composition in React](https://jxnblk.com/blog/patterns-for-style-composition-in-react/)
 
-[Inline style vs stylesheet performance](https://www.ctheu.com/2015/08/17/react-inline-styles-vs-css-stupid-benchmark/)
+[Inline style vs stylesheet performance](https://www.ctheu.com/2015/08/17/react-inline-styles-vs-css-stupid-benchmark/)