Hi I'm Sal, associate developer and creator of Colorful. Colorful is a chrome extension that puts a dark theme on the Service Portal's widget editor. It allows for an easier, more familiar experience to developers who are accustomed to dark theme's found in various other editors. Take a look:

Here's the link

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After:

I hope that this is useful to many of you, and I also appreciate any feed back you take the time to right.