cheatsheets/css.md

title: CSS

Background

Shorthand

background: <color> <image> <position> <size> <repeat> <attachment> <clip>

# Example:
background: #ff0 url(bg.jpg) center top no-repeat fixed

Other properties

background-clip: border-box | padding-box | content-box [, ...]*

background-repeat: no-repeat | repeat-x | repeat-y

background-attachment: scroll | fixed | local

Compatibility

• background-clip: IE9+
• Multiple backgrounds: IE9+

Animations

Shorthand

animation: <name> <duration> <timing-function> <delay> <count> <direction> <fill-mode>

# Example:
animation: bounce 300ms linear 0s infinite normal
animation: bounce 300ms linear infinite

Other properties

animation-direction: normal | reverse | alternate | alternate-reverse

animation-iteration-count: infinite | <number>

Webkit extensions

Font smoothing

/* maxvoltar.com/archive/-webkit-font-smoothing */
* {
  text-rendering: optimizeLegibility !important;
  -webkit-font-smoothing: antialiased !important;
}

Heading kerning pairs and ligature

h1, h2, h3 { text-rendering: optimizeLegibility; }

Native-like iOS scrolling

-webkit-overflow-scrolling: touch;
overflow-y: auto;

Gradient text

background: -webkit-gradient(linear, left top, left bottom, from(#eee), to(#333));
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;

Text stroke

/* http://www.webkit.org/blog/85/introducing-text-stroke/ */
-webkit-text-stroke: 3px black;

iOS Scrolling prevention

document.ontouchstart = (e) ->
  $pane = $(e.target).closest('.scrollable>div')
  if $pane.length is 0 or $pane[0].scrollHeight <= $pane.innerHeight()
    e.preventDefault()

%ios-scrollable
  &, >div
    -webkit-overflow-scrolling: touch
    overflow: auto

  >div
    position: absolute
    top: 0
    left: 0
    right: 0
    bottom: 0

UIWebView optimizations

/* http://www.bitsandpix.com/entry/ios-webkit-uiwebview-remove-tapclick-highlightborder-with-css/ */

* {
  -webkit-tap-highlight-color: rgba(0,0,0,0);
  -webkit-user-select: none;                /* disable text select */
  -webkit-touch-callout: none;              /* disable callout, image save panel (popup) */
  -webkit-tap-highlight-color: transparent; /* "turn off" link highlight */
}

a:focus {
  outline:0; // Firefox (remove border on link click)
}