2. What is a Child Theme
A WordPress child theme is a theme that inherits the
functionality of another theme, called the parent theme, and
allows you to modify, or add to, the functionality of that
parent theme.
Source: http://codex.wordpress.org/Child_Themes
3. Why use a Child Theme?
Child themes are the recommended way of making
modifications to a theme.
4. Child Theme File Structure?
WordPress Child Themes are located in /wp-content/themes/
like any other WordPress Theme.
5. Child Theme File Structure?
They’re activated from the WordPress admin like any other
theme.
6. Child Theme File Structure?
Child Themes always have a style.css file and may often
include a functions.php file.
7. The Child Theme CSS File
style.css is the only file required for a child theme.
8. The Child Theme CSS File
/*
Theme Name: Twenty Ten 1.2 Child Theme
URI: http://wordpressannarbor.com/
Description: Child theme for the Twenty Ten by WordPress
Author: Declan O'Neill
Author URI: http://wordpressannarbor.com/
Template: twentyten
Version: 1.0
*/
9. The Child Theme CSS File
Theme Name: Twenty Ten 1.2 Child Theme
[Required]