How to enlarge 'Next Page' wording???

[JemCraft]

I would like to enlarge the wording that says 'next'/'Prev' and also the list of numbers that relates to how many pages of products there are. To clarify what I amtalking about, plese see here

 

I feel that at themoment this istoosmallandmy customers may miss and then not see all the products that I have :-(

 

Any help greatfully received.

 

Thanks

Jemma