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Mastodon: cap inline image height

Limits the height of images and videos inside posts so they no longer take over the timeline.

Code to copy

/* Cap inline media size so big images don't dominate the feed */
.media-gallery,
.media-gallery__item,
.video-player {
  max-height: 360px !important;
  overflow: hidden !important;
}
.media-gallery__item-thumbnail img,
.media-gallery canvas {
  object-fit: cover !important;
  max-height: 360px !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.