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Post/Page specific custom CSS allows you to add custom CSS styles to individual posts or pages. It provides a dedicated area in the post/page edit screen where you can write your CSS code. You can also choose whether the CSS should apply only to the single post/page view or also to archive views.
A new meta box will appear below the content editor on the post and page edit screens. You can enter any custom CSS there. You can also specify whether the CSS should load only on the single post/page view or also on archive-type pages.
Requirements
This plugin requires at least WordPress 5.0 (remember always to keep your WordPress installation up to date!) and PHP 7.4 on your server.
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If you don’t see the CSS panel, open Screen Options and make sure “Custom CSS” is checked. 
Enter CSS code that will apply only to your post or page. You can force the plugin to apply it only on single post/page views. 
Plugin settings panel.
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Automatic installation
Automatic installation is the easiest way. Simply log in to your WordPress admin panel, go to the Plugins menu, and click “Add New”.
In the search field, type Post/Page specific custom CSS and click Search Plugins. Then click the “Install Now” button.
Manual installation
- Upload the
post-page-specific-custom-cssfolder to the/wp-content/plugins/directory. - Activate the plugin through the ‘Plugins’ menu in WordPress.
- That’s it – enjoy! 🙂
FAQ
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Is it free?
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Yes, it’s licensed under GPLv2 (or later). However, if you’d like to support my work, you’re welcome to make a donation of a few dollars. I won’t stop you 🙂
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བྱས་རྗེས་འཇོག་མཁན། & གསར་འབྱེད་པ།
“Post/Page specific custom CSS” is open source software. The following people have contributed to this plugin.
བྱས་རྗེས་འཇོག་མཁན།
ཁྱེད་ཀྱི་སྐད་ཡིག་ནང་ལ་ “Post/Page specific custom CSS” ཡིག་སྒྱུར་བྱོས།
Interested in development?
Browse the code, check out the SVN repository, or subscribe to the development log by RSS.
དག་བཅོས་ཉིན་ཐོ།
0.2.5
- Release date: 2025-07-17
- Highlighting for CSS code is now enabled by default.
7 years ago it was optional due to performance concerns on
slower machines — nowadays that looks outdated; you can still
disable it using:
add_filter(‘postpage_sccss-highlight_code’, ‘__return_false’); - Fixed issue with incorrect validation of an empty CSS field
- Replaced CSS validation with a linting mechanism
- Minor code improvements and compatibility testing with newer PHP and WordPress versions
- Removed birthday notice
0.2.4
- Release date: 2022-01-20
- Fixed default post/page values (it was in reverse, thank you, @olandir, for pointing that out!)
0.2.3
- Release date: 2021-11-29
- Fixed options saving issue
- Fixed text formatting
0.2.2
- Release date: 2020-05-10
- Lot of fixes, to stay up to date with WordPress code rules
- Birthday banner visible only for administrators
- Birthday banner now can be hidden for the next year
- Now it’s possible to let editors edit CSS
0.2.1
- Release date: 2020-04-27
- Custom JavaScript note
- Birthday note
0.2.0
- Release date: 2020-02-25
- Compatibility: 5.3 and previous
- Added options page for plugin
- Added default CSS for post and page
- Added CSS highlighting for posts, page and options (for default CSS)
- Thou it’s a bit bigger by default, you may make input view even bigger
0.1.4
- Release date: 2018-11-21
- Status: Stable
- Compatibility: 5.0 and previous
- Minor code refactoring
0.1.3
- Release date: 2018-05-18
- Status: Stable
- Compatibility: 4.9.6 and previous
0.1.2
- Release date: 2018-05-05
- Status: Stable
- Compatibility: 4.9.5 and previous
- Added screenshots, icons and header image for WordPress repository
0.1.1
- Release date: 2017-08-03
- Status: Stable
- Compatibility: 4.8.1 and previous
- Added screenshots, icons and header image for WordPress repository
0.1.0
- Release date: 2016-12-16
- Status: Stable
- Initial release