Dark CSS theme for Slack workspaces

Sidebar Theme: #000000,#121212,#444444,#ffffff,#101010,#FFFFFF,#95ff00,#57fcff

CSS: dark-theme.css

Enable with console

link = document.createElement("link");
link.rel = "stylesheet";
link.href = "https://buffermet.github.io/cdn/github.com/buffermet/dark-slack/dark-theme.css";
document.body.appendChild(link);