"To fix the layout" means to adjust the arrangement or design of something, such as a webpage or document, in order to make it look organized, structured, and visually appealing. Full definition
This is one reason I would love to see oversized pages in fixed layout eBooks, something one can not do with landscape layouts at this point. (talkingnewmedia.com)
Each retailer has their own fixed layout format and hence a separate file is to be created for each retailer. (micrologicglobalservices.com)
We can not increase or decrease font size for fixed layout books; we must fix the type size (font size) at the beginning itself. (micrologicglobalservices.com)