i built a browse page that displays several category headers, each with a varying amount of article thumbnails underneath (displayed 3 per row). i want the category headers to rigidly separate the content, but the article thumbnails keep moving up to fill in the empty slots that result when a category does not have a multiple of 3. i've tried adding blank placeholder banners, but i can only use them once per collection. this is driving me nuts as it seems such an obvious functionality. am i miss...

hi. i am building an app for a client to display a large number of documents (mostly PDFs converted to articles). there are many categories which ultimately lead to browse pages that (we hope) will contain a fixed top navigation bar displaying sub-category names that, when pressed, will display various collections of thumbnails underneath in a "frame" of sorts. i've accomplished this using indesign in the past, but the thumbnails were not dynamic and i had to edit the indesign file and reupload ...