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/* ==========================================================================
Mixins
========================================================================== */
/*
Utility mixins
========================================================================== */
/* clearfix */
@mixin clearfix {
*zoom: 1;
&:before,
&:after {
display: table;
content: "";
// Fixes Opera/contenteditable bug:
// http://nicolasgallagher.com/micro-clearfix-hack/#comment-36952
line-height: 0;
}
&:after {
clear: both;
}
}
/* Webkit-style focus */
@mixin tab-focus() {
// Default
outline: thin dotted #333;
// Webkit
outline: 5px auto -webkit-focus-ring-color;
outline-offset: -2px;
}
/* Center-align a block level element */
@mixin center-block() {
display: block;
margin-left: auto;
margin-right: auto;
}
/*
Typography mixins
========================================================================== */
/* Full-fat vertical rhythm */
@mixin font-size($size) {
font-size: 0px + $size;
font-size: 0rem + $size / $doc-font-size;
line-height: 0 + round($doc-line-height / $size*10000) / 10000;
margin-bottom: 0px + $doc-line-height;
margin-bottom: 0rem + ($doc-line-height / $doc-font-size);
}
/* Just the REMs */
@mixin font-rem($size) {
font-size: 0px + $size;
font-size: 0rem + $size / $doc-font-size;
}
/* Just font-size and line-height */
@mixin font($size) {
font-size: 0px + $size;
font-size: 0rem + $size / $doc-font-size;
line-height: 0 + round($doc-line-height / $size*10000) / 10000;
}
/* Ellipsis */
@mixin text-overflow() {
overflow: hidden;
text-overflow: ellipsis;
white-space: nowrap;
}
/*
Visibility
========================================================================== */
/* For image replacement */
@mixin hide-text() {
text-indent : 100%;
white-space : nowrap;
overflow : hidden;
}
/* Hide from visual and speaking browsers */
@mixin hidden() {
display : none !important;
visibility : hidden;
}
.hidden {
display: none;
visibility: hidden;
}
/* Hide but maintain layout */
@mixin invisible() {
visibility : hidden;
}
/* Hidden but available to speaking browsers */
@mixin visuallyhidden() {
overflow : hidden;
position : absolute;
clip : rect(0 0 0 0);
height : 1px;
width : 1px;
margin : -1px;
padding : 0;
border : 0;
}
/* Make visuallyhidden focusable with a keyboard */
.visuallyhidden.focusable:active,
.visuallyhidden.focusable:focus {
position : static;
clip : auto;
height : auto;
width : auto;
margin : 0;
overflow: visible;
}
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