Active has a very intuitive theme set up which will take you through essential steps to get your store up and running. Following this part of the documentation you will set up: the general theme look, theme colors, fonts, etc.
1. Open the Active Customizer
2. Open Theme Settings
3. Open the “Welcome” tab which will take you through the initial setup
4. Follow the steps 1 through 6 to set up colors, fonts, favicon, etc.
5. Open the checkout tab to set up the look of your checkout page. Click here for more info on editing the checkout.