stylesheet 5.3.0 Released

stylesheet 5.3.0 is out!

Changes:

• Fix unreadable keycaps text
• More consistent popover shadows
• Fix color for insensitive flat buttons in list rows
• Remove duplicated and obsolete styles
• Always set dock badge to red, regardless of accent color
• Support wide separators
• Improved scrollbars in WebKit web views
• Improve window shadows for legacy-decorated apps
• New (hidden) dark style for the dock