Update mobile.css

Update retro.css

Corrected wrapping

Update retro.css

1.0.0 release

treat inline SVGs the same way as other IMGs in CSS

Hide background images from menu items inserted via plugins

Implement new menu system (fixes #14)

Catch up with core basic styles

add new guaranteed style.ini placeholder for links

remove IE8 support

removed deprecated general classes

updates for use with styling plugin

removed support for IE7

added a bit of styling to disabled/readonly form elements

made sidebar content styles re-usable outside of ID (added class: aside)

changed style of `file` slightly to help tell it apart from `code`

Conflicts:
css/_media_popup.css

prevent overlong select boxes

fixed typo in commented section indenting css

removed IE6-specific code

updated to latest version

removed all deprecated things and use core underscored CSS files

small fix for code blocks

improved base font stack

moved styles around