This plugin is designed to meet the needs of administrators who would like to add their own CSS to their WordPress website. You can access the plugin via the ‘Custom CSS’ item under the ‘Appearance’ menu.
If you have experience with CSS and would like to include some custom style rules, you can paste your CSS into the window and click ‘Save Changes.’
Where can I get more information?
For more information or support, try the Simple Custom CSS wiki page or visit the WordPress support page.