Organizing stylesheets in .info files.

drupal_theme.info

; STYLESHEETS
;-------------------------------------------------------------------------------

; REMOVE
stylesheets[all][] = debug.css
stylesheets[all][] = defaults.css
stylesheets[all][] = fieldgroup.css
stylesheets[all][] = node.css
stylesheets[all][] = poll.css
stylesheets[all][] = quicktabs.css
stylesheets[all][] = system-menus.css
stylesheets[all][] = text.css
stylesheets[all][] = ui.all.css
stylesheets[all][] = user.css

; OVERRIDE
stylesheets[all][] = css/contrib/geshifilter.css
stylesheets[all][] = css/contrib/help.css
stylesheets[all][] = css/core/admin.css
stylesheets[all][] = css/core/book.css
stylesheets[all][] = css/core/update.css
stylesheets[all][] = css/core/system.css

; ADD
stylesheets[all][] = css/html-elements.css
stylesheets[all][] = css/tabs.css
stylesheets[all][] = css/forms.css
stylesheets[all][] = css/ui.theme.css
stylesheets[all][] = css/styles.css
stylesheets[all][] = css/menus.css