Changing the format of the Portfolio Section on 'Nova' to Portrait Orientation

Site URL: https://flugelhorn-carillon-xytb.squarespace.com/

Hello 

Changing the format of the Portfolio Section on 'Nova' to Portrait Orientation and add two additional columns. 

You can see how I would like to it look on here: 
www.tomjohnson.studio

I am currently using the 'Nova' Theme.

The password to view my Squarespace Website is 'tomjohnosn' 

Thank you so much for you help!

Tom 

 

Password is wrong.