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Wider block editor content area

Widens the Gutenberg editor content area so wide blocks and tables are easier to work with.

Code to copy

.wp-block-post-content,
.editor-styles-wrapper .wp-block,
.is-root-container > .wp-block,
.block-editor-block-list__layout.is-root-container {
  max-width: 1100px !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.