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Slack Dark Theme

12 Sep 2017, written by angelsix Luke Malpass

As many of you who follow what I do will know, I like things dark. I don’t like the white glare of a computer screen.

I am sure at least some of you use Slack for your work communications? If not I strongly recommend you check it out.

The only down-side is it doesn’t yet have a dark theme. So looking around the internet I found plenty of ways to do it by just editing the Electron app javascript files and injecting a custom css sheet.

So, in order to do this now before Slack officially supports it, do the following:

document.addEventListener('DOMContentLoaded', function() {
    url: '',
    success: function(css) {



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