Some help to change the Network Theme

Hello guys!

I need some help to change some things in network theme.

I almost got what I want, I changed the avatar side form right to left, now I need to put the main profile menu to below the users avatar.

You can check it here:

I need some help to:

Increase the search bar width on the top. What Is make the entire bar like the G+ search bar, so I need to move the search bar a little bit to right and increase it´s width.

Put the user menu below the image.

See attachment.