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Telegram: distraction-free single chat

Hides the chat list and right panel, leaving only the open conversation stretched to full width.

Code to copy

/* Distraction-free single chat: hide list and right panel */
.sidebar-left,
.LeftColumn {
  display: none !important;
}
.sidebar-right,
.RightColumn {
  display: none !important;
}
#column-center,
.MiddleColumn {
  width: 100% !important;
  max-width: 100% !important;
  left: 0 !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.