Reduce the space of the profile position!

First topic message reminder :

Hi,

I am trying to reduce the space that appears between the profile possition and the posts of each user. The space of the profile position is big and i want to make it smaller in order to give more space for the posts so that they can be easily readable.

Here you can see my forum and check what i mean!! Thanks in advance for your help!!

Thank you all for your help!!!