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https://github.com/twbs/bootstrap.git
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576 lines
18 KiB
Plaintext
576 lines
18 KiB
Plaintext
// Mixins.less
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// Snippets of reusable CSS to develop faster and keep code readable
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// -----------------------------------------------------------------
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// UTILITY MIXINS
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// --------------------------------------------------
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// Clearfix
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// --------
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// For clearing floats like a boss h5bp.com/q
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.clearfix {
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*zoom: 1;
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&:before,
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&:after {
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display: table;
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content: "";
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}
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&:after {
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clear: both;
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}
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}
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// Webkit-style focus
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// ------------------
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.tab-focus() {
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// Default
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outline: thin dotted #333;
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// Webkit
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outline: 5px auto -webkit-focus-ring-color;
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outline-offset: -2px;
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}
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// Center-align a block level element
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// ----------------------------------
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.center-block() {
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display: block;
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margin-left: auto;
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margin-right: auto;
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}
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// IE7 inline-block
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// ----------------
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.ie7-inline-block() {
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*display: inline; /* IE7 inline-block hack */
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*zoom: 1;
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}
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// IE7 likes to collapse whitespace on either side of the inline-block elements.
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// Ems because we're attempting to match the width of a space character. Left
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// version is for form buttons, which typically come after other elements, and
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// right version is for icons, which come before. Applying both is ok, but it will
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// mean that space between those elements will be .6em (~2 space characters) in IE7,
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// instead of the 1 space in other browsers.
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.ie7-restore-left-whitespace() {
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*margin-left: .3em;
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&:first-child {
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*margin-left: 0;
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}
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}
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.ie7-restore-right-whitespace() {
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*margin-right: .3em;
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&:last-child {
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*margin-left: 0;
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}
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}
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// Sizing shortcuts
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// -------------------------
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.size(@height: 5px, @width: 5px) {
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width: @width;
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height: @height;
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}
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.square(@size: 5px) {
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.size(@size, @size);
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}
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// Placeholder text
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// -------------------------
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.placeholder(@color: @placeholderText) {
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:-moz-placeholder {
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color: @color;
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}
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::-webkit-input-placeholder {
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color: @color;
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}
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}
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// Text overflow
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// -------------------------
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// Requires inline-block or block for proper styling
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.text-overflow() {
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overflow: hidden;
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text-overflow: ellipsis;
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white-space: nowrap;
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}
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// FONTS
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// --------------------------------------------------
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#font {
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#family {
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.serif() {
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font-family: Georgia, "Times New Roman", Times, serif;
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}
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.sans-serif() {
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font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
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}
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.monospace() {
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font-family: Menlo, Monaco, "Courier New", monospace;
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}
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}
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.shorthand(@size: @baseFontSize, @weight: normal, @lineHeight: @baseLineHeight) {
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font-size: @size;
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font-weight: @weight;
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line-height: @lineHeight;
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}
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.serif(@size: @baseFontSize, @weight: normal, @lineHeight: @baseLineHeight) {
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#font > #family > .serif;
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#font > .shorthand(@size, @weight, @lineHeight);
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}
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.sans-serif(@size: @baseFontSize, @weight: normal, @lineHeight: @baseLineHeight) {
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#font > #family > .sans-serif;
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#font > .shorthand(@size, @weight, @lineHeight);
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}
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.monospace(@size: @baseFontSize, @weight: normal, @lineHeight: @baseLineHeight) {
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#font > #family > .monospace;
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#font > .shorthand(@size, @weight, @lineHeight);
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}
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}
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// Form field states (used in forms.less)
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// --------------------------------------------------
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// Mixin for form field states
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.formFieldState(@textColor: #555, @borderColor: #ccc, @backgroundColor: #f5f5f5) {
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// Set the text color
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> label,
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.help-block,
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.help-inline {
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color: @textColor;
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}
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// Style inputs accordingly
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input,
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select,
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textarea {
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color: @textColor;
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border-color: @borderColor;
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&:focus {
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border-color: darken(@borderColor, 10%);
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.box-shadow(0 0 6px lighten(@borderColor, 20%));
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}
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}
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// Give a small background color for input-prepend/-append
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.input-prepend .add-on,
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.input-append .add-on {
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color: @textColor;
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background-color: @backgroundColor;
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border-color: @textColor;
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}
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}
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// CSS3 PROPERTIES
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// --------------------------------------------------
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// Border Radius
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.border-radius(@radius: 5px) {
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-webkit-border-radius: @radius;
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-moz-border-radius: @radius;
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border-radius: @radius;
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}
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// Drop shadows
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.box-shadow(@shadow: 0 1px 3px rgba(0,0,0,.25)) {
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-webkit-box-shadow: @shadow;
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-moz-box-shadow: @shadow;
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box-shadow: @shadow;
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}
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// Transitions
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.transition(@transition) {
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-webkit-transition: @transition;
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-moz-transition: @transition;
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-ms-transition: @transition;
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-o-transition: @transition;
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transition: @transition;
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}
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// Transformations
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.rotate(@degrees) {
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-webkit-transform: rotate(@degrees);
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-moz-transform: rotate(@degrees);
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-ms-transform: rotate(@degrees);
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-o-transform: rotate(@degrees);
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transform: rotate(@degrees);
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}
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.scale(@ratio) {
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-webkit-transform: scale(@ratio);
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-moz-transform: scale(@ratio);
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-ms-transform: scale(@ratio);
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-o-transform: scale(@ratio);
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transform: scale(@ratio);
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}
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.translate(@x: 0, @y: 0) {
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-webkit-transform: translate(@x, @y);
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-moz-transform: translate(@x, @y);
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-ms-transform: translate(@x, @y);
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-o-transform: translate(@x, @y);
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transform: translate(@x, @y);
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}
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.skew(@x: 0, @y: 0) {
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-webkit-transform: skew(@x, @y);
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-moz-transform: skew(@x, @y);
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-ms-transform: skew(@x, @y);
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-o-transform: skew(@x, @y);
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transform: skew(@x, @y);
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}
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.translate3d(@x: 0, @y: 0, @z: 0) {
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-webkit-transform: translate(@x, @y, @z);
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-moz-transform: translate(@x, @y, @z);
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-ms-transform: translate(@x, @y, @z);
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-o-transform: translate(@x, @y, @z);
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transform: translate(@x, @y, @z);
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}
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// Background clipping
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// Heads up: FF 3.6 and under need "padding" instead of "padding-box"
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.background-clip(@clip) {
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-webkit-background-clip: @clip;
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-moz-background-clip: @clip;
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background-clip: @clip;
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}
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// Background sizing
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.background-size(@size){
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-webkit-background-size: @size;
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-moz-background-size: @size;
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-o-background-size: @size;
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background-size: @size;
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}
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// Box sizing
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.box-sizing(@boxmodel) {
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-webkit-box-sizing: @boxmodel;
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-moz-box-sizing: @boxmodel;
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box-sizing: @boxmodel;
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}
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// User select
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// For selecting text on the page
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.user-select(@select) {
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-webkit-user-select: @select;
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-moz-user-select: @select;
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-o-user-select: @select;
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user-select: @select;
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}
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// Resize anything
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.resizable(@direction: both) {
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resize: @direction; // Options: horizontal, vertical, both
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overflow: auto; // Safari fix
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}
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// CSS3 Content Columns
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.content-columns(@columnCount, @columnGap: @gridColumnGutter) {
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-webkit-column-count: @columnCount;
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-moz-column-count: @columnCount;
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column-count: @columnCount;
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-webkit-column-gap: @columnGap;
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-moz-column-gap: @columnGap;
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column-gap: @columnGap;
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}
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// Opacity
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.opacity(@opacity: 100) {
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opacity: @opacity / 100;
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filter: e(%("alpha(opacity=%d)", @opacity));
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}
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// BACKGROUNDS
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// --------------------------------------------------
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// Add an alphatransparency value to any background or border color (via Elyse Holladay)
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#translucent {
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.background(@color: @white, @alpha: 1) {
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background-color: hsla(hue(@color), saturation(@color), lightness(@color), @alpha);
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}
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.border(@color: @white, @alpha: 1) {
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border-color: hsla(hue(@color), saturation(@color), lightness(@color), @alpha);
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.background-clip(padding-box);
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}
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}
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// Gradient Bar Colors for buttons and alerts
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.gradientBar(@primaryColor, @secondaryColor) {
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#gradient > .vertical(@primaryColor, @secondaryColor);
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border-color: @secondaryColor @secondaryColor darken(@secondaryColor, 15%);
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border-color: rgba(0,0,0,.1) rgba(0,0,0,.1) fadein(rgba(0,0,0,.1), 15%);
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}
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// Gradients
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#gradient {
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.horizontal(@startColor: #555, @endColor: #333) {
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background-color: @endColor;
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background-image: -moz-linear-gradient(left, @startColor, @endColor); // FF 3.6+
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background-image: -ms-linear-gradient(left, @startColor, @endColor); // IE10
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background-image: -webkit-gradient(linear, 0 0, 100% 0, from(@startColor), to(@endColor)); // Safari 4+, Chrome 2+
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background-image: -webkit-linear-gradient(left, @startColor, @endColor); // Safari 5.1+, Chrome 10+
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background-image: -o-linear-gradient(left, @startColor, @endColor); // Opera 11.10
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background-image: linear-gradient(left, @startColor, @endColor); // Le standard
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background-repeat: repeat-x;
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filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=1)",@startColor,@endColor)); // IE9 and down
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}
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.vertical(@startColor: #555, @endColor: #333) {
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background-color: mix(@startColor, @endColor, 60%);
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background-image: -moz-linear-gradient(top, @startColor, @endColor); // FF 3.6+
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background-image: -ms-linear-gradient(top, @startColor, @endColor); // IE10
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background-image: -webkit-gradient(linear, 0 0, 0 100%, from(@startColor), to(@endColor)); // Safari 4+, Chrome 2+
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background-image: -webkit-linear-gradient(top, @startColor, @endColor); // Safari 5.1+, Chrome 10+
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background-image: -o-linear-gradient(top, @startColor, @endColor); // Opera 11.10
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background-image: linear-gradient(top, @startColor, @endColor); // The standard
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background-repeat: repeat-x;
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filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=0)",@startColor,@endColor)); // IE9 and down
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}
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.directional(@startColor: #555, @endColor: #333, @deg: 45deg) {
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background-color: @endColor;
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background-repeat: repeat-x;
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background-image: -moz-linear-gradient(@deg, @startColor, @endColor); // FF 3.6+
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background-image: -ms-linear-gradient(@deg, @startColor, @endColor); // IE10
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background-image: -webkit-linear-gradient(@deg, @startColor, @endColor); // Safari 5.1+, Chrome 10+
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background-image: -o-linear-gradient(@deg, @startColor, @endColor); // Opera 11.10
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background-image: linear-gradient(@deg, @startColor, @endColor); // The standard
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}
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.vertical-three-colors(@startColor: #00b3ee, @midColor: #7a43b6, @colorStop: 50%, @endColor: #c3325f) {
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background-color: mix(@midColor, @endColor, 80%);
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background-image: -webkit-gradient(linear, 0 0, 0 100%, from(@startColor), color-stop(@colorStop, @midColor), to(@endColor));
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background-image: -webkit-linear-gradient(@startColor, @midColor @colorStop, @endColor);
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background-image: -moz-linear-gradient(top, @startColor, @midColor @colorStop, @endColor);
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background-image: -ms-linear-gradient(@startColor, @midColor @colorStop, @endColor);
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background-image: -o-linear-gradient(@startColor, @midColor @colorStop, @endColor);
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background-image: linear-gradient(@startColor, @midColor @colorStop, @endColor);
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background-repeat: no-repeat;
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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
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}
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.radial(@innerColor: #555, @outerColor: #333) {
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background-color: @outerColor;
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background-image: -webkit-gradient(radial, center center, 0, center center, 460, from(@innerColor), to(@outerColor));
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background-image: -webkit-radial-gradient(circle, @innerColor, @outerColor);
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background-image: -moz-radial-gradient(circle, @innerColor, @outerColor);
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background-image: -ms-radial-gradient(circle, @innerColor, @outerColor);
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background-image: -o-radial-gradient(circle, @innerColor, @outerColor);
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background-repeat: no-repeat;
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}
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.striped(@color, @angle: -45deg) {
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background-color: @color;
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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));
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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);
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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);
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background-image: -ms-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);
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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);
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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);
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}
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}
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// Reset filters for IE
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.reset-filter() {
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filter: e(%("progid:DXImageTransform.Microsoft.gradient(enabled = false)"));
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}
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// COMPONENT MIXINS
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// --------------------------------------------------
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// Horizontal dividers
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// -------------------------
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// Dividers (basically an hr) within dropdowns and nav lists
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.nav-divider() {
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height: 1px;
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margin: ((@baseLineHeight / 2) - 1) 1px; // 8px 1px
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overflow: hidden;
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background-color: #e5e5e5;
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border-bottom: 1px solid @white;
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// IE7 needs a set width since we gave a height. Restricting just
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// to IE7 to keep the 1px left/right space in other browsers.
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// It is unclear where IE is getting the extra space that we need
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// to negative-margin away, but so it goes.
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*width: 100%;
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*margin: -5px 0 5px;
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}
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// Button backgrounds
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// ------------------
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.buttonBackground(@startColor, @endColor) {
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// gradientBar will set the background to a pleasing blend of these, to support IE<=9
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.gradientBar(@startColor, @endColor);
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.reset-filter();
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// in these cases the gradient won't cover the background, so we override
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&:hover, &:active, &.active, &.disabled, &[disabled] {
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background-color: @endColor;
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}
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// IE 7 + 8 can't handle box-shadow to show active, so we darken a bit ourselves
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&:active,
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&.active {
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background-color: darken(@endColor, 10%) e("\9");
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}
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}
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// Navbar vertical align
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// -------------------------
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// Vertically center elements in the navbar.
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// Example: an element has a height of 30px, so write out `.navbarVerticalAlign(30px);` to calculate the appropriate top margin.
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.navbarVerticalAlign(@elementHeight) {
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margin-top: (@navbarHeight - @elementHeight) / 2;
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}
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// Popover arrows
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// -------------------------
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// For tipsies and popovers
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#popoverArrow {
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.top(@arrowWidth: 5px) {
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bottom: 0;
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left: 50%;
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margin-left: -@arrowWidth;
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border-left: @arrowWidth solid transparent;
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border-right: @arrowWidth solid transparent;
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border-top: @arrowWidth solid @black;
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}
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.left(@arrowWidth: 5px) {
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top: 50%;
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right: 0;
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margin-top: -@arrowWidth;
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border-top: @arrowWidth solid transparent;
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border-bottom: @arrowWidth solid transparent;
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border-left: @arrowWidth solid @black;
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}
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.bottom(@arrowWidth: 5px) {
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top: 0;
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left: 50%;
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margin-left: -@arrowWidth;
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border-left: @arrowWidth solid transparent;
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border-right: @arrowWidth solid transparent;
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border-bottom: @arrowWidth solid @black;
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}
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.right(@arrowWidth: 5px) {
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top: 50%;
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left: 0;
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margin-top: -@arrowWidth;
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border-top: @arrowWidth solid transparent;
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border-bottom: @arrowWidth solid transparent;
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border-right: @arrowWidth solid @black;
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}
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}
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// Grid System
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// -----------
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.container-fixed() {
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margin-left: auto;
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margin-right: auto;
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.clearfix();
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}
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.tableColumns(@columnSpan: 1) {
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float: none; // undo default grid column styles
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width: ((@gridColumnWidth) * @columnSpan) + (@gridGutterWidth * (@columnSpan - 1)) - 16; // 16 is total padding on left and right of table cells
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margin-left: 0; // undo default grid column styles
|
||
}
|
||
|
||
#grid {
|
||
|
||
// Recursive mixins! <3
|
||
// Requires not yet released LESS ;)
|
||
|
||
.spanX (@index) when (@index > 0) {
|
||
~".span@{index}" { .span(@index); }
|
||
#grid .spanX(@index - 1);
|
||
}
|
||
.spanX (@index, child) when (@index > 0) {
|
||
~"> .span@{index}" { .span(@index); }
|
||
#grid .spanX(@index - 1, child);
|
||
}
|
||
.spanX (0, ...) {}
|
||
|
||
.offsetX (@index) when (@index > 0) {
|
||
~".offset@{index}" { .offset(@index); }
|
||
#grid .offsetX(@index - 1);
|
||
}
|
||
.offsetX (0) {}
|
||
|
||
.core (@gridColumnWidth, @gridGutterWidth) {
|
||
|
||
.offset (@columns) {
|
||
margin-left: (@gridColumnWidth * @columns) + (@gridGutterWidth * (@columns - 1)) + (@gridGutterWidth * 2);
|
||
}
|
||
|
||
.span (@columns) {
|
||
width: (@gridColumnWidth * @columns) + (@gridGutterWidth * (@columns - 1));
|
||
}
|
||
|
||
.row {
|
||
margin-left: @gridGutterWidth * -1;
|
||
.clearfix();
|
||
}
|
||
|
||
[class*="span"] {
|
||
float: left;
|
||
margin-left: @gridGutterWidth;
|
||
}
|
||
|
||
// Set the container width, and reset it for fixed navbars
|
||
.container,
|
||
.navbar-fixed-top .container,
|
||
.navbar-fixed-bottom .container { .span(@gridColumns); }
|
||
|
||
// generate .spanX and .offsetX
|
||
#grid .spanX (@gridColumns);
|
||
#grid .offsetX (@gridColumns);
|
||
|
||
}
|
||
|
||
.fluid (@fluidGridColumnWidth, @fluidGridGutterWidth) {
|
||
|
||
.span (@columns) {
|
||
width: 1% * (@fluidGridColumnWidth * @columns) + (@fluidGridGutterWidth * (@columns - 1));
|
||
}
|
||
|
||
.row-fluid {
|
||
width: 100%;
|
||
.clearfix();
|
||
> [class*="span"] {
|
||
float: left;
|
||
margin-left: @fluidGridGutterWidth;
|
||
}
|
||
> [class*="span"]:first-child {
|
||
margin-left: 0;
|
||
}
|
||
|
||
// generate .spanX
|
||
#grid .spanX (@gridColumns, child);
|
||
}
|
||
|
||
}
|
||
|
||
.input(@gridColumnWidth, @gridGutterWidth) {
|
||
|
||
.span(@columns) {
|
||
width: ((@gridColumnWidth) * @columns) + (@gridGutterWidth * (@columns - 1)) - 10;
|
||
}
|
||
|
||
input,
|
||
textarea,
|
||
.uneditable-input {
|
||
margin-left: 0; // override margin-left from core grid system
|
||
|
||
// generate .spanX
|
||
#grid .spanX (@gridColumns, child);
|
||
}
|
||
|
||
}
|
||
|
||
}
|