v0.6.0

Possibly breaking

• Don't inherit box-sizing by default (#37) c9adb78
  See the explanation in #37.

Enhancements

• Replace BlinkMacSystemFont font with system-ui f37ff5a
• Improve monospaced font on Chrome Android c204a08
• Drop Segoe UI Symbol as a fallback 6d5695a
• Add version number in the CSS file c1d65e3

v0.5.0...v0.6.0