Branding

You can use whatever design you want. Here are some links with info about how to set your font, colors, etc.:

• https://community.articulate.com/series/articulate-storyline-360/articles/articulate-storyline-360-user-guide-how-to-change-player-colors-font-size 
• https://community.articulate.com/series/articulate-storyline-360/articles/articulate-storyline-360-user-guide-how-to-use-design-themes 
• https://community.articulate.com/series/articulate-storyline-360/articles/articulate-storyline-360-user-guide-how-to-use-theme-colors
• https://community.articulate.com/series/articulate-storyline-360/articles/storyline-360-working-with-theme-fonts
• https://community.articulate.com/series/articulate-storyline-360/articles/articulate-storyline-360-user-guide-how-to-change-the-background-design 
• https://community.articulate.com/series/articulate-storyline-360/articles/articulate-storyline-360-user-guide-how-to-use-slide-masters 
• https://community.articulate.com/series/articulate-storyline-360/articles/articulate-storyline-360-user-guide-how-to-use-feedback-masters 

For future reference, here's the page with links to all of the Articulate 360 User Guides. These are great resources when you have a general question about how the software works. 

• https://community.articulate.com/articles/tutorials-and-documentation