Watch this overview tutorial video to get familiar with all the options in the Branding tab before diving in: https://www.youtube.com/watch?v=4fYZRzMA0SM
In the Branding page in the Widget sub-tab, you can customize your Deep Lawn Widget. Here is where you can edit your heading and button text and the different colors to match the rest of your website. The font will pull from the header of your existing website. You can choose if you would like your heading text bolded, italicized, or underlined and the size of the text.