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Slack: distraction-free single-channel view

Hides the left channel sidebar and the right panel, leaving only the active channel on a full screen.

Code to copy

/* Distraction-free single-channel view: hide both sidebars */
.p-channel_sidebar,
.p-workspace__secondary_view,
.p-tab_rail {
  display: none !important;
}
.p-workspace__primary_view {
  width: 100% !important;
}

How to use this example

1. Copy the code with the button above.
2. Install JustZix (2 minutes) and open the extension on the target page.
3. Add a new rule matching that page.
4. Paste the code into the rule's CSS panel and save — the effect appears instantly.