foundation/stylus/foundation/components/thumbs.styl

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//
// Image Thumbnail Variables
//
$include-html-media-classes ?= $include-html-classes;

// We use these to control border styles
$thumb-border-style ?= solid;
$thumb-border-width ?= 4px;
$thumb-border-color ?= #fff;
$thumb-box-shadow ?= 0 0 0 1px rgba(#000,.2);
$thumb-box-shadow-hover ?= 0 0 6px 1px rgba($primary-color,0.5);

// Radius and transition speed for thumbs
$thumb-radius ?= $global-radius;
$thumb-transition-speed ?= 200ms;

//
// Image Thumbnail Mixins
//

// We use this to create image thumbnail styles.
thumb($border-width=$thumb-border-width, $box-shadow=$thumb-box-shadow, $box-shadow-hover=$thumb-box-shadow-hover) {
  line-height: 0;
  display: inline-block;
  border: $thumb-border-style $border-width $thumb-border-color;
  if $experimental {
    -webkit-box-shadow: $box-shadow;
  }
  box-shadow: $box-shadow;

  &:hover,
  &:focus {
    if $experimental {
      -webkit-box-shadow: $box-shadow-hover;
    }
    box-shadow: $box-shadow-hover;
  }
}


// If html classes are turned on we'll include these classes.
if $include-html-media-classes != false {

  /* Image Thumbnails */
  .th {
    thumb();
    single-transition(all,$thumb-transition-speed,ease-out);

    &.radius {
      radius($thumb-radius);
    }
  }
  a.th { display: block; }

}