How to adjust the Column sizes on Page Builder

How do you adjust the Table Column sizes, as the table Columns on the RHS are wider that the Columns on the LHS,
I cannot find where the control is for that. I need to have the Table columns all the same size on the front end. Thank you

Hi
please give me some examples with url so that I can check what you mean
CEd

Our url is testsites1.co.uk/index.php/our-bedrooms

Another, question I need to ask is with the Image Gallery, is it possible to configure it so that I have a Main image and thumbnails of other images, so that when I click on a thumbnail then the thumbnail would go to the main image position and blow up to full size.

You can add a custom CSS rule in the page (within your template for example, or using the Custom CSS button in the left sidebar of Page Builder CK)