Number of pages to display
 

I have a thread with 75 pages and user does not want to open new thread but continue with the same thread. She is a big contributor so want to help her.
Below the thread it gives link to the thread pages from 1 t0 75 in one straight line and because of that user has to use horizontal scroll bar.
Can I show 40 pages in one row and second row will be rest and so on.
Thanks in advance for your time.