Blurry text

When in the admin panel the text is fine and displays how it should. When i view the widget on the website text goes blurry, is there any way to fix this?

you can view the error here:
http://purplemunkie.com/~citygym/wp-content/uploads/2013/06/ksjdf.png

I have tried using chrome, firefox, ie and mobile devices and all have the same problem

http://wordpress.org/extend/plugins/wp-twitter/