How to add backgrounds and customize media fit
Add backgrounds for personalization or use media fit to fix aspect ratios for selected Supademo slides.
How to add backgrounds
How to customize media fit for a slide
Add backgrounds and media fit
Joseph Lee
Updated: May 07, 2025
Description
Click through a step-by-step, interactive demo walkthrough of How to customize media fit for Supademo slides
Steps
1
How to add backgrounds and customize media fit
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To set backgrounds for a Supademo, click on the "Background" button.
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Then, choose your desired background to apply it to share links and embeds!
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Next, let's explore Media Fit to fix inconsistent widths and aspect ratios for different uploads and captures.
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This image is a different height/width from the first slide, which sets the dimensions for the entire Supademo.
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For example, let's click cover and align it to the right. You can play around to get the right alignment you need.
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Create a Supademo in seconds