I am looking for "Alternate Css" but I can't seem to find it in the "Master Page Setting" and I can't see the "Site Collection Feature" because I need to activate the features with 'publishing' in it.


  • 1
    how about going to https://sitecollectionurl/_layouts/15/ChangeSiteMasterPage.aspx directly and changing it there ? Commented Feb 9, 2018 at 6:34
  • what version of sharepoint you using?
    – Ali Jafer
    Commented Feb 9, 2018 at 8:45

2 Answers 2


Whether you want to use SharePoint Designer to access site collection feature and find Alternate CSS?

If that’s the case, we are not able to enable features though SharePoint Designer.

I recommend you enable publishing feature through SharePoint UI which goes to site settings->site collection features and manage site features. Or use PowerShell command.

To find Alternate CSS URL, go to site settings->Look and Feel->Master Page.


Site collection features are available under Site Collection Administrator section.

Make sure you are site collection admin.

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