updated readme

Author: akiran

README.md

@@ -40,11 +40,13 @@ or add cdn link in your html
 ### [PlayGround](https://codesandbox.io/s/zzloxr09mp)
 Use [CodeSandbox template](https://codesandbox.io/s/zzloxr09mp) to try react-slick with different settings.
 
+
 <a href="https://opencollective.com/react-slick/donate" target="_blank">
-  <img align="right" src="https://opencollective.com/react-slick/donate/button@2x.png?color=blue" width=300 />
+  <img src="https://opencollective.com/react-slick/donate/button@2x.png?color=blue" width=300 />
 </a>
 
 
+
 ### Filing issues
 Please replicate your issue with [CodeSandbox template](https://codesandbox.io/s/zzloxr09mp) and post it along with issue to make it easy for me to debug.