Rh2020 - Frameless output count of tiles on welcome page and line break

Try this, it is not thoroughly tested, just based on an idea. The default settings for the Home Page tiles are set in the skin editor. I just increased the default left and right padding to 50 rem and the tiles displayed in a single column in the skin preview.

With some trial and error and smaller settings maybe you can get what you want?

Let us know how you get on.

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I can't think of any built in way. 

By default the tiles are arranged using flexbox, which is designed to fit as many boxes as will fit in the area, then wrap the remaining boxes to the next row.

CSS Grid is designed to specify a grid layout, which I think allows you to say "x boxes across and x boxes down", although I haven't built anything with it so could be getting some of the details wrong.

While you can change "display" from "flex" to "grid" I don't think the corresponding grid properties display in the interface. So I think you'd need to use a custom css in the User Assets area. A developer would probably be able to help figure it out.