// UTILITY MIXINS // ————————————————–

// Clearfix // ——————– // For clearing floats like a boss h5bp.com/q @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 // ————————————————–

// 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;

}

@mixin text-overflow() {

overflow: hidden;
text-overflow: ellipsis;
white-space: nowrap;

}

// GRADIENTS // ————————————————–

@mixin horizontal($startColor : $white, $endColor : $lightergrey) {

background-color: $endColor;
background-image  : -webkit-gradient(linear, 0 0, 100% 0, from($startColor), to($endColor)); // Safari 4+, Chrome 2+
background-image  : -webkit-linear-gradient(left, $startColor, $endColor);                                     // Safari 5.1+, Chrome 10+
background-image  : -moz-linear-gradient(left, $startColor, $endColor);                                        // FF 3.6+
background-image  : -ms-linear-gradient(left, $startColor, $endColor);                                                 // IE10
background-image  : -o-linear-gradient(left, $startColor, $endColor);                                                  // Opera 11.10
background-image  : linear-gradient(left, $startColor, $endColor);                                                     // W3C
background-repeat : repeat-x;

}

@mixin vertical($startColor : $white, $endColor: $lightergrey) {

background-image  : -webkit-gradient(linear, 0 0, 0 100%, from($startColor), to($endColor)); // Safari 4+, Chrome 2+
background-image  : -webkit-linear-gradient(top, $startColor, $endColor);                                      // Safari 5.1+, Chrome 10+
background-color  : $endColor;
background-image  : -moz-linear-gradient(top, $startColor, $endColor);                                         // FF 3.6+
background-image  : -ms-linear-gradient(top, $startColor, $endColor);                                                  // IE10
background-image  : -o-linear-gradient(top, $startColor, $endColor);                                           // Opera 11.10
background-image  : linear-gradient(top, $startColor, $endColor);                                                      // W3C
background-repeat : repeat-x;

}

@mixin directional($startColor : $white, $endColor : $lightergrey, $deg : 45deg) {

background-color  : $endColor;
background-image  : -moz-linear-gradient($deg, $startColor, $endColor);                                       // FF 3.6+
background-image  : -ms-linear-gradient($deg, $startColor, $endColor);                                                // IE10
background-image  : -webkit-linear-gradient($deg, $startColor, $endColor);                                    // Safari 5.1+, Chrome 10+
background-image  : -o-linear-gradient($deg, $startColor, $endColor);                                                 // Opera 11.10
background-image  : linear-gradient($deg, $startColor, $endColor);                                                    // W3C
background-repeat : repeat-x;

}

// .bordered(COLOR, COLOR, COLOR, COLOR); @mixin bordered($top-color: eee, $right-color: eee, $bottom-color: eee, $left-color: eee) {

border-top : solid 1px $top-color;
border-left : solid 1px $left-color;
border-right : solid 1px $right-color;
border-bottom : solid 1px $bottom-color;

}

// ROUND CORNERS // ————————————————–

// .rounded(VALUE); @mixin rounded($radius:4px) {

-webkit-border-radius : $radius;
-moz-border-radius : $radius;
border-radius : $radius;

}

// .border-radius(VALUE,VALUE,VALUE,VALUE); @mixin border-radius($topright: 0, $bottomright: 0, $bottomleft: 0, $topleft: 0) {

-webkit-border-top-right-radius : $topright;
-webkit-border-bottom-right-radius : $bottomright;
-webkit-border-bottom-left-radius : $bottomleft;
-webkit-border-top-left-radius : $topleft;
-moz-border-radius-topright : $topright;
-moz-border-radius-bottomright : $bottomright;
-moz-border-radius-bottomleft : $bottomleft;
-moz-border-radius-topleft : $topleft;
border-top-right-radius : $topright;
border-bottom-right-radius : $bottomright;
border-bottom-left-radius : $bottomleft;
border-top-left-radius : $topleft;
-webkit-background-clip : padding-box;
-moz-background-clip : padding;  
background-clip : padding-box;

}

// .box-shadow(HORIZONTAL VERTICAL BLUR COLOR)) @mixin box-shadow($shadow: 0 1px 3px rgba(0,0,0,.25)) {

-webkit-box-shadow : $shadow;
-moz-box-shadow : $shadow;
box-shadow : $shadow;

}

// .drop-shadow(HORIZONTAL, VERTICAL, BLUR, ALPHA); @mixin drop-shadow($x-axis: 0, $y-axis: 1px, $blur: 2px, $alpha: 0.1) {

-webkit-box-shadow : $x-axis $y-axis $blur rgba(0, 0, 0, $alpha);
-moz-box-shadow : $x-axis $y-axis $blur rgba(0, 0, 0, $alpha);
box-shadow : $x-axis $y-axis $blur rgba(0, 0, 0, $alpha);

}

// .text-shadow(); @mixin text-shadow($shadow: 0 2px 3px rgba(0,0,0,.25)) {

text-shadow : $shadow;

}

// TRANSFORMATIONS // ————————————————–

// .rotate(VALUEdeg); @mixin rotate($deg) {

-webkit-transform : rotate($deg);
-moz-transform : rotate($deg);
-ms-transform : rotate($deg);
-o-transform : rotate($deg);
transform : rotate($deg);

}

// .scale(VALUE); @mixin scale($ratio) {

-webkit-transform : scale($ratio);
-moz-transform : scale($ratio);
-ms-transform : scale($ratio);
-o-transform : scale($ratio);
transform : scale($ratio);

}

// .skew(VALUE, VALUE); @mixin skew($x: 0, $y: 0) {

-webkit-transform : skew($x, $y);
-moz-transform : skew($x, $y);
-ms-transform : skew($x, $y);
-o-transform : skew($x, $y);
transform : skew($x, $y);

}

// .transition(PROPERTY DURATION DELAY(OPTIONAL) TIMING-FINCTION); @mixin transition($transition) {

-webkit-transition : $transition;
-moz-transition : $transition;
-ms-transition : $transition;
-o-transition : $transition;
transition : $transition;

}

// .translate(VALUE, VALUE) @mixin translate($x: 0, $y: 0) {

-webkit-transform : translate($x, $y);
-moz-transform : translate($x, $y);
-ms-transform : translate($x, $y);
-o-transform : translate($x, $y);
transform : translate($x, $y);

}

@mixin translate3d($x: 0, $y: 0, $z: 0) {

-webkit-transform : translate($x, $y, $z);
-moz-transform : translate($x, $y, $z);
-ms-transform : translate($x, $y, $z);
-o-transform : translate($x, $y, $z);
transform : translate($x, $y, $z);

}

@mixin animation($name, $duration: 300ms, $delay: 0, $ease: ease) {

-webkit-animation: $name $duration $delay $ease;
-moz-animation:    $name $duration $delay $ease;
-ms-animation:     $name $duration $delay $ease;

}

// BACKGROUND // ————————————————–

// .background-alpha(VALUE VALUE); @mixin background-alpha($color: $white, $alpha: 1) {

background-color : hsla(hue($color), saturation($color), lightness($color), $alpha);

}

// .background-size(VALUE VALUE); @mixin background-size($size){

-webkit-background-size : $size;
-moz-background-size : $size;
-o-background-size : $size;
background-size : $size;

}

// .background-clip(VALUE); (border-box, padding-box, content-box) @mixin background-clip($clip) {

-webkit-background-clip : $clip;
-moz-background-clip : $clip;
background-clip : $clip;

}

// .box-sizing(VALUE); (border-box, padding-box, content-box) @mixin box-sizing($boxsize: border-box) {

-webkit-box-sizing : $boxsize;
-moz-box-sizing : $boxsize;
-ms-box-sizing : $boxsize;
box-sizing : $boxsize;

}

// 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;

}

// .resize(VALUE) (none, both, horizontal, vertical, inherit) @mixin resize($direction: both) {

resize : $direction;
overflow : auto;

}

// .userselect(VALUE) (all, element, none, text) @mixin user-select($select) {

-webkit-user-select : $select;
-moz-user-select : $select;
-o-user-select : $select;
user-select : $select;

}

// 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;

}