articulate storyline quiz - full screen

Hi Damian,

Thanks for reaching out, and I appreciate the screenshot you've shared! The Modern Player always scales to fill the learner's browser, which is why you see the extra space. You can read more about the Modern vs. Classic Player below:

• Comparing the Modern and Classic Player Styles
  

You can try to Launch the player in a new window and resize the browser to optimal size to reduce the extra space. You can do this by selecting Player under the Home tab, click on Other, and select the options below:

There isn't a way to customize the Modern Player background, but we do have a feature request for changing Modern Player colors. I'll be sure to add your voice to that request and pop in here when there's any progress to share!