Ivy - Site Title & Tagline

1. Go to Appearance > Customize > Site Identity.
2. Type your site title and tagline (optional) into the respective text boxes. Click Save & Publish.

Styled Second Word in Site Title

If you install Genesis Site Title Styles, by default the second word in your site title is going to be blue and italicized (the color can easily be changed). If you do not wish to use this feature, simply deactivate the plugin.