Styleguide: Fill Layouts Section

Now, after the Styleguide has been introduced with !451 (merged), it's time to fill the content!

Layouts

• Body (Scss/layout/_body.scss)
• Sections (Scss/layout/_sections.scss)
• Header (Scss/layout/_header.scss)
• Meta (Scss/layout/_meta.scss)
• Navigation (Scss/layout/_navigation.scss)
• Breadcrumb (Scss/layout/_breadcrumb.scss)
• Footer (Scss/layout/_footer.scss)
• Intro (Scss/layout/_intro.scss)
• Navigation Tabs (Scss/layout/_navTabs.scss)
• Events (Scss/layout/_event.scss)
• 404 (Scss/layout/_404.scss)
• TYPO3 Default (Scss/layout/_typo3_default.scss)
• Solr (Scss/layout/_solr.scss)
• TYPO3 Messages (Scss/layout/_typo3-messages.scss)
• Info Banner (Scss/layout/_infoBanner.scss)
• Fixed Alerts (Scss/layout/_alert-fixed.scss)
• Lightbox (Scss/layout/_lightbox.scss)