How To Change Footer Font Size?

In Wordpress Admin Panel go to Appearance > Editor section

Open Editor

After opening Editor Section Click Toggle Navigation which in on left top corner of Editor Section Screen.

Toggle Navigation

Select Template Parts and Open Footer

Open Footer

Once Footer is opened, click on List View

Select List View

Under List View go to group hierarchy and select 2nd Group

Select Group

now go to Group Settings and Select Size under Typography and change Font size

Change Font Size