Updating Twenty Fifteen Design

1. Site Title   Appearance > Customize > Site Identity   Demo Video

2. Pages Title   Appearance > Customize > Menus > Main Menu   Demo Video

3. Elements Colors   Appearance > Customize > Colors   Demo Video

4. Page Headings   Posts > Welcome to [business name here]   Demo Video

5. Page Images Grid   Appearance > Customize > Menus > Social Menu   Demo Video