Update browser cheatsheets.

firefox.md

@@ -13,8 +13,10 @@ title: Firefox
  * No more support for Mac OSX 10.5 and below
  * SVG `FillPaint` and `StrokePaint`
  * HTML `<iframe sandbox=...>` ([docs][iframe-sandbox])
+ * Official support for Windows 8 ([link][17reqs])
 
 [iframe-sandbox]: https://developer.mozilla.org/en-US/docs/HTML/Element/iframe#attr-sandbox
+[17reqs]: http://www.mozilla.org/en-US/firefox/17.0/system-requirements/
 
 ### Firefox 16 (Oct 2012)
 

ie.md

@@ -1,31 +1,25 @@
 title: Internet Explorer
 ---
 
-## Only available in IE7+
-
-Selectors:
+### IE7+ only
 
+ * Selectors:
    - `>` _(descendant)_
    - `[attr]` _(attribute)_
    - `.class1.class2` _(multiple classes)_
    - `~` _(sibling)_
-
-CSS properties:
-
+ * CSS properties:
    - `max-width`
    - `position: fixed`
 
-## Only available in IE8+
-
-Selectors/pseudos: ([polyfill: selectivizr][selectivizr])
+### IE8+ only
 
+ * Selectors/pseudos: ([polyfill: selectivizr][selectivizr])
    - `+` _(adjacent)_
    - `:first-child` <sup>1</sup>
    - `:focus`
    - `:before`, `:after` _(single colon only)_
-
-CSS properties:
-
+ * CSS properties:
    - `outline`
    - `display: inline-block` <sup>2</sup>
    - `display: table`
@@ -33,21 +27,16 @@ CSS properties:
    - `whitespace: pre-wrap`
    - `whitespace: pre-line`
    - `box-sizing`
-
-Features:
-
+ * Features:
    - PNG alpha transparency
    - `data:` URI
-
-JS features:
-
+ * JS features:
    - JSON parsing
    - Cross-origin resource sharing
 
-## Only available in IE9+
-
-Selectors/pseudos: ([polyfill: selectivizr][selectivizr])
+## IE9+ only
 
+ * Selectors/pseudos: ([polyfill: selectivizr][selectivizr])
    - `:first-of-type`, `:last-of-type`
    - `:last-child`
    - `:empty`
@@ -58,9 +47,7 @@ Selectors/pseudos: ([polyfill: selectivizr][selectivizr])
    - `:only-child()`
    - `:target`
    - `::selection`
-
-CSS properties:
-
+ * CSS properties:
    - `background-clip`
    - `background-origin`
    - `background-size`
@@ -70,37 +57,26 @@ CSS properties:
    - `box-shadow`
    - `rgba()`
    - `transform`
-
-CSS features:
-
+ * CSS features:
    - `@media` queries ([polyfill: respond.js][respond])
-
-HTML5 features:
-
+ * HTML5 features:
    - `<canvas>`
    - `<svg>`
    - `<img src='image.svg'>`
 
-## Only available in IE10+
-
-CSS features:
+### IE10+ only
 
+ * CSS features:
    - `animation`
    - `transition`
    - `linear-gradient()`
-
-Features:
-
+ * HTML features:
    - `<input placeholder='..'>`
    - `<input type='range'>`
-
-HTML5 features:
-
+ * JS features:
    - Web sockets
 
-## Not in IE10 (or below) at all
-
-CSS properties:
+### Not in IE10 (or below) at all
 
  - `text-shadow` ([polyfill][text-shadow])