3.7.0

Changes

• Remove all content div wrappers. Use grid template columns for main to support stretch and breakout classes.
• Move content closer up to related header.
• Move image styles from _zen to base.
• Only add margin att block end, not start on group elements.
• Update search field reset to only effect Safari on none mobile.
• Other minor adjustments.

Contributors to this release: @frjo

Full changelog: v3.6.0...v3.7.0