WP-4377: update placeholder text.
WP-4405: fix caption and infographic.
WP-4405: add margin bottom to full width.
WP-4425: reduce top and bottom margin on title.
WP-4417: adjust width and padding of menu item.
WP-4423: increase bottom margin.
WP-4353: add google plus icon, start on theming.
WP-4353: style the social sharing buttons.
WP-4353: reduce button size of top social.
WP-4353: reduce bottom padding.
WP-4446: add margin bottom to full width video.
WP-4424: adjust callout resource styling.
WP-4424: adjust attribution and max-widths.
WP-4447: update the styling for new evas.
WP-4444: update shareable select theming.
WP-4444: update highlight styling.
WP-4468: fix topics menu.
WP-4426: update the spacing of related.
WP-4478: remove overflow hidden, change select color.
WP-4408: snap to one column at 1169.