reverted all layouts back one version
fixed spelling error and whitespace on buildform.js
add "clearfix" class to "<div id="searchbox">
update sprite image...change its height/with Sass variable ref in _base.scss
put searchbox partial inside of the <main> tag
whitespace cleanup on _layouts/default.html
update sprite image dimensions in logo for desktop styles
multiple changes to grunt/cssSource/_desktopStyles.scss (see msg)

add '.wrapperHeaderNav' as a styling hook for content inside '#header-nav-wrapper' & remove styles from '#header-nav-wrapper.' set '.searchbox-style' to position absolute on desktop...still need to style. clear styles for '.top-level-header-wrapper'..should remove the class altogether. whitespace clean up
update 'grunt/cssSource/_mobileFirstStyles.scss' (see msg)

add "site-header" class and remove 'position:static' from  ".searchbox-style."
remove background color and auto-width from .site-header globally...may put back
push up production and dev copies of styles.css