styles (include files) (tag)
| wp_add_inline_style() | Adds an additional block of CSS styles. CSS is added directly to the HTML document, after the main (specified) styles. |
| wp_dequeue_style() | Removes a CSS stylesheet from the output queue. A file is added to the queue using wp_enqueue_style(). |
| wp_deregister_style() | Cancels the registration of a CSS stylesheet. |
| wp_enqueue_style() | Correctly adds a CSS style file. Registers the style file if it has not been registered yet. |
| wp_get_custom_css() | Fetches the CSS code from the Theme Customizer settings. The CSS will be retrieved as it is: without a <style> pane. |
| wp_register_style() | Registers a CSS file in WordPress. After registration, the file can be added to the HTML document using the wp_enqueue_style() function. |
| wp_style_add_data() | Adds metadata to a CSS stylesheet file that has been added with wp_enqueue_style() function. Use it, for example, to make a stylesheet file work only with certain versions of IE browsers. |
| wp_style_is() | Determines whether the stylesheet has been registered / enqueued for output / output to the screen. |