wpsnoop: fix JustCSS theme conflicts, errors & issues

When the theme JustCSS conflicts or throws a PHP error we hope wpsnoop can help you to fix the issue quickly.


Discover which shortcodes wp-options PHP functions database tables and files are created by JustCSS, plus learn which plugins and/or themes could be in conflict with JustCSS.


Troubleshooting theme and plugin conflicts is easier when you know what JustCSS leaves behind after uninstalling it from a WordPress installation, there is a list down below for your convenience.

Expert advice is recommended if you are not technically proficient with PHP, MySQL etc. View support options for JustCSS

Get professional support for JustCSS here

When you need professional help with WordPress: get help here


What does JustCSS version 1.2 add to WordPress? Answers Here.

This is an automatically generated report - it is possible for JustCSS to perform differently in your installation, previous versions before 1.2 may have created a different set of shortcodes, used different function names or could have created entirely different database tables to store settings and operate. This is not an exhaustive list but shows how version 1.2 of JustCSS behaves when installed and removed on a clean installation of WordPress.

We have not tested individual shortcodes, features or settings of this theme but instead have concentrated on the potential for obvious errors and conflicts which can occur, if you need help with the plugin in your local installation you can get WordPress help and support for JustCSS by clicking here.

Our testing covered the free version of this theme there may or may not be a paid version or premium version available for purchase that unlocks additional features and could behave in a slightly or very different manner.

Which new files does JustCSS add to WordPress?

This section will populate with a table showing an icon, size and filepath.

Type & Path Size Conflicts
wp-content/themes/justcss/ 192.62kB No known conflicts with other themes or plugins.
wp-content/themes/justcss/404.php 1.32kB No known conflicts with other themes or plugins.
wp-content/themes/justcss/archive.php 933.00B No known conflicts with other themes or plugins.
wp-content/themes/justcss/author.php 691.00B No known conflicts with other themes or plugins.
wp-content/themes/justcss/category.php 679.00B No known conflicts with other themes or plugins.
wp-content/themes/justcss/comments.php 4.57kB No known conflicts with other themes or plugins.
wp-content/themes/justcss/css/ 43.54kB No known conflicts with other themes or plugins.
wp-content/themes/justcss/css/editor-style.css 3.66kB No known conflicts with other themes or plugins.
wp-content/themes/justcss/css/firefox.css 397.00B No known conflicts with other themes or plugins.
wp-content/themes/justcss/css/html5.js 1.50kB No known conflicts with other themes or plugins.
wp-content/themes/justcss/css/html5reset.css 159.00B No known conflicts with other themes or plugins.
wp-content/themes/justcss/css/ie.css 290.00B No known conflicts with other themes or plugins.
wp-content/themes/justcss/css/justcss.css 6.42kB No known conflicts with other themes or plugins.
wp-content/themes/justcss/css/PIE.php 31.14kB No known conflicts with other themes or plugins.
wp-content/themes/justcss/footer.php 290.00B No known conflicts with other themes or plugins.
wp-content/themes/justcss/format-aside.php 659.00B No known conflicts with other themes or plugins.
wp-content/themes/justcss/format-gallery.php 2.26kB No known conflicts with other themes or plugins.
wp-content/themes/justcss/format-standard.php 2.29kB No known conflicts with other themes or plugins.
wp-content/themes/justcss/full-width-page.php 942.00B No known conflicts with other themes or plugins.
wp-content/themes/justcss/functions.php 832.00B No known conflicts with other themes or plugins.
wp-content/themes/justcss/functions/ 46.28kB No known conflicts with other themes or plugins.
wp-content/themes/justcss/functions/cpanel.php 9.65kB No known conflicts with other themes or plugins.
wp-content/themes/justcss/functions/filters.php 330.00B No known conflicts with other themes or plugins.
wp-content/themes/justcss/functions/jscolor/ 28.56kB No known conflicts with other themes or plugins.
wp-content/themes/justcss/functions/jscolor/arrow.gif 66.00B No known conflicts with other themes or plugins.
wp-content/themes/justcss/functions/jscolor/cross.gif 83.00B No known conflicts with other themes or plugins.
wp-content/themes/justcss/functions/jscolor/hs.png 2.62kB No known conflicts with other themes or plugins.
wp-content/themes/justcss/functions/jscolor/hv.png 2.80kB No known conflicts with other themes or plugins.
wp-content/themes/justcss/functions/jscolor/jscolor.js 23.00kB No known conflicts with other themes or plugins.
wp-content/themes/justcss/functions/justcss_functions.php 7.74kB No known conflicts with other themes or plugins.
wp-content/themes/justcss/header.php 1.60kB No known conflicts with other themes or plugins.
wp-content/themes/justcss/image.php 4.85kB No known conflicts with other themes or plugins.
wp-content/themes/justcss/index.php 281.00B No known conflicts with other themes or plugins.
wp-content/themes/justcss/languages/ 7.33kB No known conflicts with other themes or plugins.
wp-content/themes/justcss/languages/justcss.pot 7.33kB No known conflicts with other themes or plugins.
wp-content/themes/justcss/license.txt 14.77kB No known conflicts with other themes or plugins.
wp-content/themes/justcss/loop.php 1.48kB No known conflicts with other themes or plugins.
wp-content/themes/justcss/page.php 1.02kB No known conflicts with other themes or plugins.
wp-content/themes/justcss/readme.txt 2.75kB No known conflicts with other themes or plugins.
wp-content/themes/justcss/screenshot.png 46.77kB No known conflicts with other themes or plugins.
wp-content/themes/justcss/search.php 1.00kB No known conflicts with other themes or plugins.
wp-content/themes/justcss/sidebar.php 1.01kB No known conflicts with other themes or plugins.
wp-content/themes/justcss/single.php 3.30kB No known conflicts with other themes or plugins.
wp-content/themes/justcss/style.css 718.00B No known conflicts with other themes or plugins.
wp-content/themes/justcss/tag.php 595.00B No known conflicts with other themes or plugins.

Which new shortcodes does JustCSS add to WordPress?

Which new database tables are created by the WordPress theme JustCSS?

Which new options are added to the wp-options table by JustCSS?

Option Name   Known Conflicts
current_theme Potential conflict with 8753 plugins or themes
theme_mods_twentytwentytwo Potential conflict with 8767 plugins or themes
theme_switched Potential conflict with 8753 plugins or themes
justcss_options The justcss_options option doesn't have any known conflicts with other themes or plugins.
theme_mods_justcss The theme_mods_justcss option doesn't have any known conflicts with other themes or plugins.

During use JustCSS may or may not create more options depending on how the theme is configured and depending on which other themes and plugins are active in your specific hosting environment.

What new PHP functions does JustCSS declare when it is active?

Function   Conflicts Common Errors
add_defaults_fn 12 conflicts Fatal error: Cannot redeclare add_defaults_fn()
options_page_fn 11 conflicts Fatal error: Cannot redeclare options_page_fn()
section_text_fn 12 conflicts Fatal error: Cannot redeclare section_text_fn()
add_my_font 0 conflicts Fatal error: Cannot redeclare add_my_font()
add_thumbs 0 conflicts Fatal error: Cannot redeclare add_thumbs()
footer_add_version 0 conflicts Fatal error: Cannot redeclare footer_add_version()
ie_stuff 0 conflicts Fatal error: Cannot redeclare ie_stuff()
justcss_css 0 conflicts Fatal error: Cannot redeclare justcss_css()
justcss_default_logo 0 conflicts Fatal error: Cannot redeclare justcss_default_logo()
justcss_do_css 0 conflicts Fatal error: Cannot redeclare justcss_do_css()
justcss_footer_default 0 conflicts Fatal error: Cannot redeclare justcss_footer_default()
justcss_get_image 0 conflicts Fatal error: Cannot redeclare justcss_get_image()
justcss_google_fonts 0 conflicts Fatal error: Cannot redeclare justcss_google_fonts()
justcss_load 0 conflicts Fatal error: Cannot redeclare justcss_load()
justcss_logo_do 0 conflicts Fatal error: Cannot redeclare justcss_logo_do()
justcss_options_add_page_fn 0 conflicts Fatal error: Cannot redeclare justcss_options_add_page_fn()
justcss_options_init_fn 0 conflicts Fatal error: Cannot redeclare justcss_options_init_fn()
justcss_options_validate 0 conflicts Fatal error: Cannot redeclare justcss_options_validate()
justcss_page_menu_args 0 conflicts Fatal error: Cannot redeclare justcss_page_menu_args()
justcss_theme_options_link 0 conflicts Fatal error: Cannot redeclare justcss_theme_options_link()
justcss_widgets_init 0 conflicts Fatal error: Cannot redeclare justcss_widgets_init()
section_text_blank 0 conflicts Fatal error: Cannot redeclare section_text_blank()
setting_aside_fn 0 conflicts Fatal error: Cannot redeclare setting_aside_fn()
setting_bpo_enable_fn 0 conflicts Fatal error: Cannot redeclare setting_bpo_enable_fn()
setting_brackets_fn 0 conflicts Fatal error: Cannot redeclare setting_brackets_fn()
setting_bypostauthor_fn 0 conflicts Fatal error: Cannot redeclare setting_bypostauthor_fn()
setting_comment_even_fn 0 conflicts Fatal error: Cannot redeclare setting_comment_even_fn()
setting_comment_odd_fn 0 conflicts Fatal error: Cannot redeclare setting_comment_odd_fn()
setting_corner_fn 0 conflicts Fatal error: Cannot redeclare setting_corner_fn()
setting_font_dropdown_fn 0 conflicts Fatal error: Cannot redeclare setting_font_dropdown_fn()
setting_font_enable 0 conflicts Fatal error: Cannot redeclare setting_font_enable()
setting_mainfont_fn 0 conflicts Fatal error: Cannot redeclare setting_mainfont_fn()
setting_nav_dropdown_fn 0 conflicts Fatal error: Cannot redeclare setting_nav_dropdown_fn()
setting_nav_fn 0 conflicts Fatal error: Cannot redeclare setting_nav_fn()
setting_reset_fn 0 conflicts Fatal error: Cannot redeclare setting_reset_fn()
setting_sticky_fn 0 conflicts Fatal error: Cannot redeclare setting_sticky_fn()
setting_widget_fn 0 conflicts Fatal error: Cannot redeclare setting_widget_fn()
setting_width_fn 0 conflicts Fatal error: Cannot redeclare setting_width_fn()

Using JustCSS from the command line with WP-CLI

The following commands are provided for convenience and should only be used if you understand how WP-CLI works. These commands refer to a single WordPress instance and may need to be modified if you are working with a Multisite installation.


How to install JustCSS from the command line with WP-CLI

Navigate to the root of your WordPress installation and type the following command:

wp theme install justcss


How to activate JustCSS from the command line with WP-CLI

To immediately activate JustCSS after WP-CLI downloads the latest version you can use the following command:

wp theme install justcss --activate


How to reinstall JustCSS from the command line with WP-CLI

To force a reinstallation of JustCSS which overwrites the current plugin without asking for confirmation you can use the following command:

wp theme install justcss --force


How to update JustCSS to the latest version from the command line with WP-CLI

wp theme update justcss


How to delete JustCSS from the command line with WP-CLI

wp theme delete justcss --force

Where can you download earlier versions of JustCSS?

Whenever possible you should use the latest version of plugins and themes, however if you have recently updated and discovered that you need to install an earlier version you may be able to download other versions of JustCSS from the WordPress repository by visiting this link.

Please note that installing earlier versions of a theme or plugin is not generally a recommended course of action for most users and could re-introduce security, stability or other issues in JustCSS

About our testing enviroment

Tests were conducted using Apache 2.4.29, PHP 7.2 on Ubuntu 18.04, MySQL 5.7.33 and WordPress 5.9

It is very possible that different versions of PHP such as PHP 8.0, PHP 7.4, or PHP 7.3 could behave differently with JustCSS. Different versions of WordPress could implement the features of this plugin in slightly different ways as well.