FLoating social layout issues

Hi Team,

I have some issues with the layout of the floating social plugin.

The Twitter and Facebook button is to width:
http://www.screencast.com/t/FhlHfRGUo

How can I fix that? I like it have the same size as the LinkedIn button (in our image).

Like you have:
http://www.screencast.com/t/Zxk7OokDvp7R

And how do you center the buttons?

Thank you in advance!

Stijn