update readme

Author: carloscuesta

README.md

@@ -1,6 +1,6 @@
 # Carlos Cuesta Starter Kit
 
-[![Dependency Status](https://img.shields.io/david/dev/carloscuesta/starterkit.svg)](https://david-dm.org/carloscuesta/starterkit#info=devDependencies)
+[![Dependency Status](https://img.shields.io/david/dev/carloscuesta/starterkit.svg?style=flat-square)](https://david-dm.org/carloscuesta/starterkit#info=devDependencies)
 
 <p align="center">
 	<img src="https://cloud.githubusercontent.com/assets/7629661/9838465/89626e74-5a5e-11e5-9b7d-e0ce76856732.gif" alt="Carlos Cuesta Starterkit"/>
@@ -84,4 +84,4 @@ Now you will be able to use ```gulp deploy``` and your ```/dist/``` folder will
 
 ## License
 
-The code is available under the [MIT](https://github.com/carloscuesta/starterkit/blob/master/LICENSE) license.
+The code is available under the [MIT](https://github.com/carloscuesta/starterkit/blob/master/LICENSE) license.