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/* Mixins.less
* Snippets of reusable CSS to develop faster and keep code readable
* ----------------------------------------------------------------- */
// Clearfix for clearing floats like a boss h5bp.com/q
.clearfix() {
zoom: 1;
&:before,
&:after {
display: table;
content: "";
zoom: 1;
*display: inline;
}
&:after {
clear: both;
}
}
// Center-align a block level element
.center-block() {
display: block;
margin-left: auto;
margin-right: auto;
}
// Sizing shortcuts
.size(@height: 5px, @width: 5px) {
height: @height;
width: @width;
}
.square(@size: 5px) {
.size(@size, @size);
}
// Input placeholder text
.placeholder(@color: @grayLight) {
:-moz-placeholder {
color: @color;
}
::-webkit-input-placeholder {
color: @color;
}
}
// Font Stacks
#font {
.shorthand(@weight: normal, @size: 14px, @lineHeight: 20px) {
font-size: @size;
font-weight: @weight;
line-height: @lineHeight;
}
.sans-serif(@weight: normal, @size: 14px, @lineHeight: 20px) {
font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
font-size: @size;
font-weight: @weight;
line-height: @lineHeight;
}
.serif(@weight: normal, @size: 14px, @lineHeight: 20px) {
font-family: "Georgia", Times New Roman, Times, serif;
font-size: @size;
font-weight: @weight;
line-height: @lineHeight;
}
.monospace(@weight: normal, @size: 12px, @lineHeight: 20px) {
font-family: "Monaco", Courier New, monospace;
font-size: @size;
font-weight: @weight;
line-height: @lineHeight;
}
}
// Grid System
.fixed-container() {
width: @siteWidth;
margin-left: auto;
margin-right: auto;
.clearfix();
}
.columns(@columnSpan: 1) {
width: (@gridColumnWidth * @columnSpan) + (@gridGutterWidth * (@columnSpan - 1));
}
.offset(@columnOffset: 1) {
margin-left: (@gridColumnWidth * @columnOffset) + (@gridGutterWidth * (@columnOffset - 1)) + @extraSpace;
}
// Necessary grid styles for every column to make them appear next to each other horizontally
.gridColumn() {
display: inline;
float: left;
margin-left: @gridGutterWidth;
}
// makeColumn can be used to mark any element (e.g., .content-primary) as a column without changing markup to .span something
.makeColumn(@columnSpan: 1) {
.gridColumn();
.columns(@columnSpan);
}
// Border Radius
.border-radius(@radius: 5px) {
-webkit-border-radius: @radius;
-moz-border-radius: @radius;
border-radius: @radius;
}
// Drop shadows
.box-shadow(@shadow: 0 1px 3px rgba(0,0,0,.25)) {
-webkit-box-shadow: @shadow;
-moz-box-shadow: @shadow;
box-shadow: @shadow;
}
// Transitions
.transition(@transition) {
-webkit-transition: @transition;
-moz-transition: @transition;
-ms-transition: @transition;
-o-transition: @transition;
transition: @transition;
}
// Background clipping
.background-clip(@clip) {
-webkit-background-clip: @clip;
-moz-background-clip: @clip;
background-clip: @clip;
}
// CSS3 Content Columns
.content-columns(@columnCount, @columnGap: 20px) {
-webkit-column-count: @columnCount;
-moz-column-count: @columnCount;
column-count: @columnCount;
-webkit-column-gap: @columnGap;
-moz-column-gap: @columnGap;
column-gap: @columnGap;
}
// Add an alphatransparency value to any background or border color (via Elyse Holladay)
#translucent {
.background(@color: @white, @alpha: 1) {
background-color: hsla(hue(@color), saturation(@color), lightness(@color), @alpha);
}
.border(@color: @white, @alpha: 1) {
border-color: hsla(hue(@color), saturation(@color), lightness(@color), @alpha);
background-clip: padding-box;
}
}
// Gradient Bar Colors for buttons and allerts
.gradientBar(@primaryColor, @secondaryColor) {
#gradient > .vertical(@primaryColor, @secondaryColor);
text-shadow: 0 -1px 0 rgba(0,0,0,.25);
border-color: @secondaryColor @secondaryColor darken(@secondaryColor, 15%);
border-color: rgba(0,0,0,.1) rgba(0,0,0,.1) fadein(rgba(0,0,0,.1), 15%);
}
// Gradients
#gradient {
.horizontal (@startColor: #555, @endColor: #333) {
background-color: @endColor;
background-repeat: repeat-x;
background-image: -khtml-gradient(linear, left top, right top, from(@startColor), to(@endColor)); // Konqueror
background-image: -moz-linear-gradient(left, @startColor, @endColor); // FF 3.6+
background-image: -ms-linear-gradient(left, @startColor, @endColor); // IE10
background-image: -webkit-gradient(linear, left top, right top, color-stop(0%, @startColor), color-stop(100%, @endColor)); // Safari 4+, Chrome 2+
background-image: -webkit-linear-gradient(left, @startColor, @endColor); // Safari 5.1+, Chrome 10+
background-image: -o-linear-gradient(left, @startColor, @endColor); // Opera 11.10
background-image: linear-gradient(left, @startColor, @endColor); // Le standard
filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=1)",@startColor,@endColor)); // IE9 and down
}
.vertical (@startColor: #555, @endColor: #333) {
background-color: @endColor;
background-repeat: repeat-x;
background-image: -khtml-gradient(linear, left top, left bottom, from(@startColor), to(@endColor)); // Konqueror
background-image: -moz-linear-gradient(top, @startColor, @endColor); // FF 3.6+
background-image: -ms-linear-gradient(top, @startColor, @endColor); // IE10
background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0%, @startColor), color-stop(100%, @endColor)); // Safari 4+, Chrome 2+
background-image: -webkit-linear-gradient(top, @startColor, @endColor); // Safari 5.1+, Chrome 10+
background-image: -o-linear-gradient(top, @startColor, @endColor); // Opera 11.10
background-image: linear-gradient(top, @startColor, @endColor); // The standard
filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=0)",@startColor,@endColor)); // IE9 and down
}
.directional (@startColor: #555, @endColor: #333, @deg: 45deg) {
background-color: @endColor;
background-repeat: repeat-x;
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); // The standard
}
.vertical-three-colors(@startColor: #00b3ee, @midColor: #7a43b6, @colorStop: 50%, @endColor: #c3325f) {
background-color: @endColor;
background-repeat: no-repeat;
background-image: -webkit-gradient(linear, 0 0, 0 100%, from(@startColor), color-stop(@colorStop, @midColor), to(@endColor));
background-image: -webkit-linear-gradient(@startColor, @midColor @colorStop, @endColor);
background-image: -moz-linear-gradient(top, @startColor, @midColor @colorStop, @endColor);
background-image: -ms-linear-gradient(@startColor, @midColor @colorStop, @endColor);
background-image: -o-linear-gradient(@startColor, @midColor @colorStop, @endColor);
background-image: linear-gradient(@startColor, @midColor @colorStop, @endColor);
filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=0)",@startColor,@endColor)); // IE9 and down, gets no color-stop at all for proper fallback
}
}
// Reset filters for IE
.reset-filter() {
filter: e(%("progid:DXImageTransform.Microsoft.gradient(enabled = false)"));
}
// Opacity
.opacity(@opacity: 100) {
filter: e(%("alpha(opacity=%d)", @opacity));
-khtml-opacity: @opacity / 100;
-moz-opacity: @opacity / 100;
opacity: @opacity / 100;
}
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