Add custom post link color support, font color based on post color scheme
Avoid generating empty CSS attribute
Bold links
Better Twitter Cards variables handling
More UI tweaks

- Homepage elements position
- Remove Tweet button
- More…
Remove `data-placeholder` support
Update status style
Post list optimization for mobile devices
Update external links style
Fix homepage sub-heading
Simplified blockquotes
Update external links styles
Better letter-spacing for small titles
Remove Store page temporary
Use viewport unit to handle font size automatically
Update `apple-touch-icon.png`
23.0.2