This is a simple web application built using the Wes Bos #JavaScript30 starter files which allows us to adjust CSS properties on the on-screen image.
The webpage can be accessed using any web browser on any device (desktop, laptop, tablet, mobile).
This webpage can be accessed at https://marvalyn.github.io/CSS-Variable-Adjuster/ the homescreen looks as follows; 
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This project is currently unlicensed.