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//
// Scaffolding
// --------------------------------------------------

// Reset the box-sizing
//
// Heads up! This reset may cause conflicts with some third-party widgets.
// For recommendations on resolving such conflicts, see
// http://getbootstrap.com/getting-started/#third-box-sizing
* {
  .box-sizing(border-box);
}
*:before,
*:after {
  .box-sizing(border-box);
}

// Body reset

html {
  font-size: 62.5%;
  -webkit-tap-highlight-color: rgba(0,0,0,0);
}

body {
  font-family: @font-family-base;
  font-size: @font-size-base;
  line-height: @line-height-base;
  color: @text-color;
  background-color: @body-bg;
}

// Reset fonts for relevant elements
input,
button,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}

// Links

a {
  color: @link-color;
  text-decoration: none;

&:hover,
  &:focus {
    color: @link-hover-color;
    text-decoration: underline;
  }

&:focus {
    .tab-focus();
  }
}

// Figures
//
// We reset this here because previously Normalize had no `figure` margins. This
// ensures we don't break anyone's use of the element.

figure {
  margin: 0;
}

// Images

img {
  vertical-align: middle;
}

// Responsive images (ensure images don't scale beyond their parents)
.img-responsive {
  .img-responsive();
}

// Rounded corners
.img-rounded {
  border-radius: @border-radius-large;
}

// Image thumbnails
//
// Heads up! This is mixin-ed into thumbnails.less for `.thumbnail`.
.img-thumbnail {
  padding: @thumbnail-padding;
  line-height: @line-height-base;
  background-color: @thumbnail-bg;
  border: 1px solid @thumbnail-border;
  border-radius: @thumbnail-border-radius;
  .transition(all .2s ease-in-out);

// Keep them at most 100% wide
  .img-responsive(inline-block);
}

// Perfect circle
.img-circle {
  border-radius: 50%; // set radius in percents
}

// Horizontal rules

hr {
  margin-top:    @line-height-computed;
  margin-bottom: @line-height-computed;
  border: 0;
  border-top: 1px solid @hr-border;
}

// Only display content to screen readers
//
// See: http://a11yproject.com/posts/how-to-hide-content/

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

// Use in conjunction with .sr-only to only display content when it's focused.
// Useful for "Skip to main content" links; see http://www.w3.org/TR/2013/NOTE-WCAG20-TECHS-20130905/G1
// Credit: HTML5 Boilerplate

.sr-only-focusable {
  &:active,
  &:focus {
    position: static;
    width: auto;
    height: auto;
    margin: 0;
    overflow: visible;
    clip: auto;
  }
}