Customizing Slack Background and Themes

Slack Browser (Chrome Only)

I use mainly Chrome so I found a great extension by Bill Hedworth that enables a dark theme. The extension is available here https://chrome.google.com/webstore/detail/dark-theme-for-slack/begdfkhhegoognioipgofimponkeiiah/related

Slack App

Slack uses CSS to determine how it displays your messages, sidebar, etc. The CSS is used in both the standalone Slack App, and when you use it in the web browser. Since you can edit the CSS that the Slack App uses directly, you can customize this with just a few extra lines of code in the resources folder.

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Get the Medium app

A button that says 'Download on the App Store', and if clicked it will lead you to the iOS App store
A button that says 'Get it on, Google Play', and if clicked it will lead you to the Google Play store