• Switched to :is() selector for simple selector lists (main.css drops from 18kb to 16kb gzipped)
• Switched autoprefixer from last 4 years to last 2 years
• Fixed code annotations not scrolling on overflowing code blocks
• Fixed code annotations rendered too narrow on mobile
• Fixed code annotations overflowing on mobile
• Fixed code annotations not mounted due to empty p tags
• Fixed code after code annotations not aligning with grid
• Fixed #3214: search highlighting breaks site when empty