// // Mixins // -------------------------------------------------- // 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; } // IE7 inline-block // ---------------- @mixin ie7-inline-block() { *display: inline; /* IE7 inline-block hack */ *zoom: 1; } // IE7 likes to collapse whitespace on either side of the inline-block elements. // Ems because we're attempting to match the width of a space character. Left // version is for form buttons, which typically come after other elements, and // right version is for icons, which come before. Applying both is ok, but it will // mean that space between those elements will be .6em (~2 space characters) in IE7, // instead of the 1 space in other browsers. @mixin ie7-restore-left-whitespace() { *margin-left: .3em; &:first-child { *margin-left: 0; } } @mixin ie7-restore-right-whitespace() { *margin-right: .3em; } // Sizing shortcuts // ------------------------- @mixin size($height, $width) { width: $width; height: $height; } @mixin square($size) { @include size($size, $size); } // Placeholder text // ------------------------- @mixin placeholder($color: $placeholderText) { &:-moz-placeholder { color: $color; } &:-ms-input-placeholder { color: $color; } &::-webkit-input-placeholder { color: $color; } } // Text overflow // ------------------------- // Requires inline-block or block for proper styling @mixin text-overflow() { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; } // CSS image replacement // ------------------------- // Source: https://github.com/h5bp/html5-boilerplate/commit/aa0396eae757 @mixin hide-text { font: 0/0 a; color: transparent; text-shadow: none; background-color: transparent; border: 0; } // FONTS // -------------------------------------------------- @mixin font-family-serif() { font-family: $serifFontFamily; } @mixin font-family-sans-serif() { font-family: $sansFontFamily; } @mixin font-family-monospace() { font-family: $monoFontFamily; } @mixin font-shorthand($size: $baseFontSize, $weight: normal, $lineHeight: $baseLineHeight) { font-size: $size; font-weight: $weight; line-height: $lineHeight; } @mixin font-serif($size: $baseFontSize, $weight: normal, $lineHeight: $baseLineHeight) { @include font-family-serif(); @include font-shorthand($size, $weight, $lineHeight); } @mixin font-sans-serif($size: $baseFontSize, $weight: normal, $lineHeight: $baseLineHeight) { @include font-family-sans-serif(); @include font-shorthand($size, $weight, $lineHeight); } @mixin font-monospace($size: $baseFontSize, $weight: normal, $lineHeight: $baseLineHeight) { @include font-family-monospace(); @include font-shorthand($size, $weight, $lineHeight); } // FORMS // -------------------------------------------------- // Block level inputs @mixin input-block-level { display: block; width: 100%; min-height: $inputHeight; // Make inputs at least the height of their button counterpart (base line-height + padding + border) @include box-sizing(border-box); // Makes inputs behave like true block-level elements } // Mixin for form field states @mixin formFieldState($textColor: #555, $borderColor: #ccc, $backgroundColor: #f5f5f5) { // Set the text color > label, .help-block, .help-inline { color: $textColor; } // Style inputs accordingly .checkbox, .radio, input, select, textarea { color: $textColor; } input, select, textarea { border-color: $borderColor; @include box-shadow(inset 0 1px 1px rgba(0,0,0,.075)); // Redeclare so transitions work &:focus { border-color: darken($borderColor, 10%); @include box-shadow(inset 0 1px 1px rgba(0,0,0,.075), 0 0 6px lighten($borderColor, 20%)); } } // Give a small background color for input-prepend/-append .input-prepend .add-on, .input-append .add-on { color: $textColor; background-color: $backgroundColor; border-color: $textColor; } } // CSS3 PROPERTIES // -------------------------------------------------- // Border Radius @mixin border-radius($radius) { -webkit-border-radius: $radius; -moz-border-radius: $radius; border-radius: $radius; } // Single Corner Border Radius @mixin border-top-left-radius($radius) { -webkit-border-top-left-radius: $radius; -moz-border-radius-topleft: $radius; border-top-left-radius: $radius; } @mixin border-top-right-radius($radius) { -webkit-border-top-right-radius: $radius; -moz-border-radius-topright: $radius; border-top-right-radius: $radius; } @mixin border-bottom-right-radius($radius) { -webkit-border-bottom-right-radius: $radius; -moz-border-radius-bottomright: $radius; border-bottom-right-radius: $radius; } @mixin border-bottom-left-radius($radius) { -webkit-border-bottom-left-radius: $radius; -moz-border-radius-bottomleft: $radius; border-bottom-left-radius: $radius; } // Single Side Border Radius @mixin border-top-radius($radius) { @include border-top-right-radius($radius); @include border-top-left-radius($radius); } @mixin border-right-radius($radius) { @include border-top-right-radius($radius); @include border-bottom-right-radius($radius); } @mixin border-bottom-radius($radius) { @include border-bottom-right-radius($radius); @include border-bottom-left-radius($radius); } @mixin border-left-radius($radius) { @include border-top-left-radius($radius); @include border-bottom-left-radius($radius); } // Drop shadows @mixin box-shadow($shadow...) { -webkit-box-shadow: $shadow; -moz-box-shadow: $shadow; box-shadow: $shadow; } // Transitions @mixin transition($transition...) { -webkit-transition: $transition; -moz-transition: $transition; -o-transition: $transition; transition: $transition; } @mixin transition-delay($transition-delay) { -webkit-transition-delay: $transition-delay; -moz-transition-delay: $transition-delay; -o-transition-delay: $transition-delay; transition-delay: $transition-delay; } // Transformations @mixin rotate($degrees) { -webkit-transform: rotate($degrees); -moz-transform: rotate($degrees); -ms-transform: rotate($degrees); -o-transform: rotate($degrees); transform: rotate($degrees); } @mixin scale($ratio) { -webkit-transform: scale($ratio); -moz-transform: scale($ratio); -ms-transform: scale($ratio); -o-transform: scale($ratio); transform: scale($ratio); } @mixin translate($x, $y) { -webkit-transform: translate($x, $y); -moz-transform: translate($x, $y); -ms-transform: translate($x, $y); -o-transform: translate($x, $y); transform: translate($x, $y); } @mixin skew($x, $y) { -webkit-transform: skew($x, $y); -moz-transform: skew($x, $y); -ms-transform: skewX($x) skewY($y); // See https://github.com/twitter/bootstrap/issues/4885 -o-transform: skew($x, $y); transform: skew($x, $y); -webkit-backface-visibility: hidden; // See https://github.com/twitter/bootstrap/issues/5319 } @mixin translate3d($x, $y, $z) { -webkit-transform: translate3d($x, $y, $z); -moz-transform: translate3d($x, $y, $z); -o-transform: translate3d($x, $y, $z); transform: translate3d($x, $y, $z); } // Backface visibility // Prevent browsers from flickering when using CSS 3D transforms. // Default value is `visible`, but can be changed to `hidden // See git pull https://github.com/dannykeane/bootstrap.git backface-visibility for examples @mixin backface-visibility($visibility){ -webkit-backface-visibility: $visibility; -moz-backface-visibility: $visibility; backface-visibility: $visibility; } // Background clipping // Heads up: FF 3.6 and under need "padding" instead of "padding-box" @mixin background-clip($clip) { -webkit-background-clip: $clip; -moz-background-clip: $clip; background-clip: $clip; } // Background sizing @mixin background-size($size) { -webkit-background-size: $size; -moz-background-size: $size; -o-background-size: $size; background-size: $size; } // Box sizing @mixin box-sizing($boxmodel) { -webkit-box-sizing: $boxmodel; -moz-box-sizing: $boxmodel; box-sizing: $boxmodel; } // User select // For selecting text on the page @mixin user-select($select) { -webkit-user-select: $select; -moz-user-select: $select; -ms-user-select: $select; -o-user-select: $select; user-select: $select; } // Resize anything @mixin resizable($direction) { resize: $direction; // Options: horizontal, vertical, both overflow: auto; // Safari fix } // CSS3 Content Columns @mixin content-columns($columnCount, $columnGap: $gridGutterWidth) { -webkit-column-count: $columnCount; -moz-column-count: $columnCount; column-count: $columnCount; -webkit-column-gap: $columnGap; -moz-column-gap: $columnGap; column-gap: $columnGap; } // Optional hyphenation @mixin hyphens($mode: auto) { word-wrap: break-word; -webkit-hyphens: $mode; -moz-hyphens: $mode; -ms-hyphens: $mode; -o-hyphens: $mode; hyphens: $mode; } // Opacity @mixin opacity($opacity) { opacity: $opacity / 100; filter: alpha(opacity=$opacity); } // BACKGROUNDS // -------------------------------------------------- // Add an alphatransparency value to any background or border color (via Elyse Holladay) @mixin translucent-background($color: $white, $alpha: 1) { background-color: hsla(hue($color), saturation($color), lightness($color), $alpha); } @mixin translucent-border($color: $white, $alpha: 1) { border-color: hsla(hue($color), saturation($color), lightness($color), $alpha); @include background-clip(padding-box); } // Gradient Bar Colors for buttons and alerts @mixin gradientBar($primaryColor, $secondaryColor, $textColor: #fff, $textShadow: 0 -1px 0 rgba(0,0,0,.25)) { color: $textColor; text-shadow: $textShadow; @include gradient-vertical($primaryColor, $secondaryColor); border-color: $secondaryColor $secondaryColor darken($secondaryColor, 15%); border-color: rgba(0,0,0,.1) rgba(0,0,0,.1) fade-in(rgba(0,0,0,.1), 0.15); } // Gradients @mixin gradient-horizontal($startColor: #555, $endColor: #333) { background-color: $endColor; background-image: -moz-linear-gradient(left, $startColor, $endColor); // FF 3.6+ background-image: -webkit-gradient(linear, 0 0, 100% 0, from($startColor), to($endColor)); // Safari 4+, Chrome 2+ background-image: -webkit-linear-gradient(left, $startColor, $endColor); // Safari 5.1+, Chrome 10+ background-image: -o-linear-gradient(left, $startColor, $endColor); // Opera 11.10 background-image: linear-gradient(to right, $startColor, $endColor); // Standard, IE10 background-repeat: repeat-x; filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#{ie-hex-str($startColor)}', endColorstr='#{ie-hex-str($endColor)}', GradientType=1); // IE9 and down } @mixin gradient-vertical($startColor: #555, $endColor: #333) { background-color: mix($startColor, $endColor, 62.5%); background-image: -moz-linear-gradient(top, $startColor, $endColor); // FF 3.6+ background-image: -webkit-gradient(linear, 0 0, 0 100%, from($startColor), to($endColor)); // Safari 4+, Chrome 2+ background-image: -webkit-linear-gradient(top, $startColor, $endColor); // Safari 5.1+, Chrome 10+ background-image: -o-linear-gradient(top, $startColor, $endColor); // Opera 11.10 background-image: linear-gradient(to bottom, $startColor, $endColor); // Standard, IE10 background-repeat: repeat-x; filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#{ie-hex-str($startColor)}', endColorstr='#{ie-hex-str($endColor)}', GradientType=0); // IE9 and down } @mixin gradient-directional($startColor: #555, $endColor: #333, $deg: 45deg) { background-color: $endColor; background-repeat: repeat-x; background-image: -moz-linear-gradient($deg, $startColor, $endColor); // FF 3.6+ background-image: -webkit-linear-gradient($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, $endColor); // Standard, IE10 } @mixin gradient-vertical-three-colors($startColor: #00b3ee, $midColor: #7a43b6, $colorStop: 50%, $endColor: #c3325f) { background-color: mix($midColor, $endColor, 80%); background-image: -webkit-gradient(linear, 0 0, 0 100%, from($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, $endColor); background-image: -o-linear-gradient($startColor, $midColor $colorStop, $endColor); background-image: linear-gradient($startColor, $midColor $colorStop, $endColor); background-repeat: no-repeat; filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#{ie-hex-str($startColor)}', endColorstr='#{ie-hex-str($endColor)}', GradientType=0); // IE9 and down, gets no color-stop at all for proper fallback } @mixin gradient-radial($innerColor: #555, $outerColor: #333) { background-color: $outerColor; background-image: -webkit-gradient(radial, center center, 0, center center, 460, from($innerColor), to($outerColor)); background-image: -webkit-radial-gradient(circle, $innerColor, $outerColor); background-image: -moz-radial-gradient(circle, $innerColor, $outerColor); background-image: -o-radial-gradient(circle, $innerColor, $outerColor); background-repeat: no-repeat; } @mixin gradient-striped($color: #555, $angle: 45deg) { background-color: $color; background-image: -webkit-gradient(linear, 0 100%, 100% 0, color-stop(.25, rgba(255,255,255,.15)), color-stop(.25, transparent), color-stop(.5, transparent), color-stop(.5, rgba(255,255,255,.15)), color-stop(.75, rgba(255,255,255,.15)), color-stop(.75, transparent), to(transparent)); background-image: -webkit-linear-gradient($angle, rgba(255,255,255,.15) 25%, transparent 25%, transparent 50%, rgba(255,255,255,.15) 50%, rgba(255,255,255,.15) 75%, transparent 75%, transparent); background-image: -moz-linear-gradient($angle, rgba(255,255,255,.15) 25%, transparent 25%, transparent 50%, rgba(255,255,255,.15) 50%, rgba(255,255,255,.15) 75%, transparent 75%, transparent); background-image: -o-linear-gradient($angle, rgba(255,255,255,.15) 25%, transparent 25%, transparent 50%, rgba(255,255,255,.15) 50%, rgba(255,255,255,.15) 75%, transparent 75%, transparent); background-image: linear-gradient($angle, rgba(255,255,255,.15) 25%, transparent 25%, transparent 50%, rgba(255,255,255,.15) 50%, rgba(255,255,255,.15) 75%, transparent 75%, transparent); } // Reset filters for IE @mixin reset-filter() { filter: progid:DXImageTransform.Microsoft.gradient(enabled=false); } // COMPONENT MIXINS // -------------------------------------------------- // Horizontal dividers // ------------------------- // Dividers (basically an hr) within dropdowns and nav lists @mixin nav-divider($top: #e5e5e5, $bottom: $white) { // IE7 needs a set width since we gave a height. Restricting just // to IE7 to keep the 1px left/right space in other browsers. // It is unclear where IE is getting the extra space that we need // to negative-margin away, but so it goes. *width: 100%; height: 1px; margin: (($baseLineHeight / 2) - 1) 1px; // 8px 1px *margin: -5px 0 5px; overflow: hidden; background-color: $top; border-bottom: 1px solid $bottom; } // Button backgrounds // ------------------ @mixin buttonBackground($startColor, $endColor, $textColor: #fff, $textShadow: 0 -1px 0 rgba(0,0,0,.25)) { // gradientBar will set the background to a pleasing blend of these, to support IE<=9 @include gradientBar($startColor, $endColor, $textColor, $textShadow); *background-color: $endColor; /* Darken IE7 buttons by default so they stand out more given they won't have borders */ @include reset-filter(); // in these cases the gradient won't cover the background, so we override &:hover, &:active, &.active, &.disabled, &[disabled] { color: $textColor; background-color: $endColor; *background-color: darken($endColor, 5%); } // IE 7 + 8 can't handle box-shadow to show active, so we darken a bit ourselves &:active, &.active { background-color: darken($endColor, 10%) \9; } } // Navbar vertical align // ------------------------- // Vertically center elements in the navbar. // Example: an element has a height of 30px, so write out `.navbarVerticalAlign(30px);` to calculate the appropriate top margin. @mixin navbarVerticalAlign($elementHeight) { margin-top: ($navbarHeight - $elementHeight) / 2; } // Grid System // ----------- // Centered container element @mixin container-fixed() { margin-right: auto; margin-left: auto; @include clearfix(); } // Table columns @mixin tableColumns($columnSpan: 1) { float: none; // undo default grid column styles width: (($gridColumnWidth) * $columnSpan) + ($gridGutterWidth * ($columnSpan - 1)) - 16; // 16 is total padding on left and right of table cells margin-left: 0; // undo default grid column styles } // Make a Grid // Use .makeRow and .makeColumn to assign semantic layouts grid system behavior @mixin makeRow() { margin-left: $gridGutterWidth * -1; @include clearfix(); } @mixin makeColumn($columns: 1, $offset: 0) { float: left; margin-left: ($gridColumnWidth * $offset) + ($gridGutterWidth * ($offset - 1)) + ($gridGutterWidth * 2); width: ($gridColumnWidth * $columns) + ($gridGutterWidth * ($columns - 1)); } // The Grid @mixin grid-core($gridColumnWidth, $gridGutterWidth) { .row { margin-left: $gridGutterWidth * -1; @include clearfix(); } [class*="span"] { float: left; min-height: 1px; // prevent collapsing columns margin-left: $gridGutterWidth; } // Set the container width, and override it for fixed navbars in media queries .container, .navbar-static-top .container, .navbar-fixed-top .container, .navbar-fixed-bottom .container { @include grid-core-span($gridColumns, $gridColumnWidth, $gridGutterWidth); } // generate .spanX and .offsetX @include grid-core-span-x($gridColumns, $gridColumnWidth, $gridGutterWidth); @include grid-core-offset-x($gridColumns, $gridColumnWidth, $gridGutterWidth); } @mixin grid-core-span-x($gridColumns, $gridColumnWidth, $gridGutterWidth) { @while $gridColumns > 0 { .span#{$gridColumns} { @include grid-core-span($gridColumns, $gridColumnWidth, $gridGutterWidth)} $gridColumns: $gridColumns - 1; } } @mixin grid-core-offset-x($gridColumns, $gridColumnWidth, $gridGutterWidth) { @while $gridColumns > 0 { .offset#{$gridColumns} { @include grid-core-offset($gridColumns, $gridColumnWidth, $gridGutterWidth); } $gridColumns: $gridColumns - 1; } } @mixin grid-core-span($columns, $gridColumnWidth, $gridGutterWidth) { width: ($gridColumnWidth * $columns) + ($gridGutterWidth * ($columns - 1)); } @mixin grid-core-offset($columns, $gridColumnWidth, $gridGutterWidth) { margin-left: ($gridColumnWidth * $columns) + ($gridGutterWidth * ($columns + 1)); } @mixin grid-fluid($fluidGridColumnWidth, $fluidGridGutterWidth) { .row-fluid { width: 100%; @include clearfix(); [class*="span"] { @include input-block-level(); float: left; margin-left: $fluidGridGutterWidth; *margin-left: $fluidGridGutterWidth - (.5 / $gridRowWidth * 100px * 1%); } [class*="span"]:first-child { margin-left: 0; } // Space grid-sized controls properly if multiple per line .controls-row [class*="span"] + [class*="span"] { margin-left: $fluidGridGutterWidth; } // generate .spanX and .offsetX @include grid-fluid-span-x($gridColumns, $fluidGridColumnWidth, $fluidGridGutterWidth); @include grid-fluid-offset-x($gridColumns, $fluidGridColumnWidth, $fluidGridGutterWidth); } } @mixin grid-fluid-span-x($gridColumns, $fluidGridColumnWidth, $fluidGridGutterWidth) { @while $gridColumns > 0 { .span#{$gridColumns} { @include grid-fluid-span($gridColumns, $fluidGridColumnWidth, $fluidGridGutterWidth); } $gridColumns: $gridColumns - 1; } } @mixin grid-fluid-offset-x($gridColumns, $fluidGridColumnWidth, $fluidGridGutterWidth) { @while $gridColumns > 0 { .offset#{$gridColumns} { @include grid-fluid-offset($gridColumns, $fluidGridColumnWidth, $fluidGridGutterWidth); } .offset#{$gridColumns}:first-child { @include grid-fluid-offset-first-child($gridColumns, $fluidGridColumnWidth, $fluidGridGutterWidth); } $gridColumns: $gridColumns - 1; } } @mixin grid-fluid-span($columns, $fluidGridColumnWidth, $fluidGridGutterWidth) { width: ($fluidGridColumnWidth * $columns) + ($fluidGridGutterWidth * ($columns - 1)); *width: ($fluidGridColumnWidth * $columns) + ($fluidGridGutterWidth * ($columns - 1)) - (.5 / $gridRowWidth * 100px * 1%); } @mixin grid-fluid-offset($columns, $fluidGridColumnWidth, $fluidGridGutterWidth) { margin-left: ($fluidGridColumnWidth * $columns) + ($fluidGridGutterWidth * ($columns - 1)) + ($fluidGridGutterWidth * 2); *margin-left: ($fluidGridColumnWidth * $columns) + ($fluidGridGutterWidth * ($columns - 1)) - (.5 / $gridRowWidth * 100px * 1%) + ($fluidGridGutterWidth * 2) - (.5 / $gridRowWidth * 100px * 1%); } @mixin grid-fluid-offset-first-child($columns, $fluidGridColumnWidth, $fluidGridGutterWidth) { margin-left: ($fluidGridColumnWidth * $columns) + ($fluidGridGutterWidth * ($columns - 1)) + ($fluidGridGutterWidth); *margin-left: ($fluidGridColumnWidth * $columns) + ($fluidGridGutterWidth * ($columns - 1)) - (.5 / $gridRowWidth * 100px * 1%) + $fluidGridGutterWidth - (.5 / $gridRowWidth * 100px * 1%); } @mixin grid-input($gridColumnWidth, $gridGutterWidth) { input, textarea, .uneditable-input { margin-left: 0; // override margin-left from core grid system } // Space grid-sized controls properly if multiple per line .controls-row [class*="span"] + [class*="span"] { margin-left: $gridGutterWidth; } // generate .spanX @include grid-input-span-x($gridColumns, $gridColumnWidth, $gridGutterWidth); } @mixin grid-input-span-x($gridColumns, $gridColumnWidth, $gridGutterWidth) { @while $gridColumns > 0 { input.span#{$gridColumns}, textarea.span#{$gridColumns}, .uneditable-input.span#{$gridColumns} { @include grid-input-span($gridColumns, $gridColumnWidth, $gridGutterWidth); } $gridColumns: $gridColumns - 1; } } @mixin grid-input-span($columns, $gridColumnWidth, $gridGutterWidth) { width: (($gridColumnWidth) * $columns) + ($gridGutterWidth * ($columns - 1)) - 14; }