//
// 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
*,
*::before,
*::after {
	.box-sizing(border-box);

	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}

body {
	font-family: @font-family-base;
	font-size: @font-size-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: @link-hover-decoration;
	}

	&: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 0.2s 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;
	}
}

// iOS "clickable elements" fix for role="button"
//
// Fixes "clickability" issue (and more generally, the firing of events such as focus as well)
// for traditionally non-focusable elements with role="button"
// see https://developer.mozilla.org/en-US/docs/Web/Events/click#Safari_Mobile
// Upstream patch for normalize.css submitted: https://github.com/necolas/normalize.css/pull/379 - remove this fix once that is merged

[role="button"] {
	cursor: pointer;
}