tantek.com

coded per post styling, e.g.: tantek.com/2015/178/t1/lovewins-css3-pride-rainbow-background and in homepage stream with HTML5 <style scoped> — supported currently only on Firefox (desktop, Android, or FirefoxOS).

Other browsers:
* Chrome
 * has experimental support: https://developers.google.com/web/updates/2012/03/A-New-Experimental-Feature-style-scoped
 * bug: https://code.google.com/p/chromium/issues/detail?id=130673
* Safari (WebKit) https://bugs.webkit.org/show_bug.cgi?id=49142

More on custom post styles:
* https://indiewebcamp.com/custom_post_style

Previously:
* tantek.com/2015/181/t2/indiewebcamp-per-post-styling

on (ttk.me t4c01) using BBEdit