Theme files contain multi-line elements for fields, field labels, text, and every part in a layout. Each of these elements contains other multi-line elements and single-line elements. You can remove any of these elements, but you must remove the entire element, which includes everything inside the element’s start and end tags and the start and end tags as well.
FileMaker Pro Advanced will use default values for any elements you remove.
To remove a multi-line element, delete the start and end tags and all elements contained within them. For example, to remove a multi-line BORDER element in the Blue_gold.fth file, delete all three lines: