Twenty Fourteen: change IDs to classes in markup and CSS selectors. Props obenland, see #24858.
Built from https://develop.svn.wordpress.org/trunk@25060


git-svn-id: https://core.svn.wordpress.org/trunk@25046 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Twenty Fourteen: don't allow line-wrapping in the top-level navigation menu items. Props georgestephanis, fixes #24917.
Built from https://develop.svn.wordpress.org/trunk@25061


git-svn-id: https://core.svn.wordpress.org/trunk@25047 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Twenty Fourteen: remove `masthead-fixed` class after window returns to top. Props cainm, fixes #25026.
Built from https://develop.svn.wordpress.org/trunk@25062


git-svn-id: https://core.svn.wordpress.org/trunk@25048 1a063a9b-81f0-0310-95a4-ce76da25c4cd