/* 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; } &: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-transform-style: e(%("preserve-3d")); -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; } // Make any element resizable for prototyping .resizable(@direction: both) { resize: @direction; // Options are horizontal, vertical, both overflow: auto; // Safari fix } // 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; }