Width of the columns on the main page

[martinek55]

Hi,

 

i have two questions :

 

1)  please do you know, how i can change column width on mainpage (index.php) ?

 

 

 

I need have 3 products in one row. In another pages (new products, etc... everything is ok) Problem is only in index.php 

 

2 )Do you know, how can i change size font in category tree? Because i have problem with this:

 

 

 

Can i change font size, or can i wound up text? Can i change plus symbol to another one?

 

Thnak you in advance,