How can we apply custom fonts to Communications Sites (and other of the new emerging site types)?

According to this overview we would have to apply a composed look. But this composed look is bound to a master page. Furthermore the theming engine is called "SharePoint 2013 Theming Engine" which sounds like this is old stuff.

Is this ok to use composed looks in a modern context to change the fonts? If not: what are the alternatives in a modern context?

1 Answer 1


There are numerous customizations which currently are not supported for "modern" pages:

-> Adding "classic" web parts on "modern" pages

-> Custom CSS via AlternateCSSUrl web property

-> Custom JavaScript embedded via User Custom Actions - See note on SharePoint Framework Extensions

-> Custom master pages - More extensive branding will be supported later using alternative options

More details here

On the Upside:

-> SPFx Web parts are responsive.

Also you may try a little custom themes if that works for you. See the Webcast recently out here

Note: The blog you have shared is meant for classic experience.

  • Unfortunately composed looks are not explicitly mentioned in the list of supported and unsupported means. Commented Oct 26, 2017 at 12:49

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