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gitbook/theme/stylesheets/base/preboot.less
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Samy Pessé c28b804352 Remove bootstrap dependency
2014-08-11 07:36:50 -07:00

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/*!
* Preboot v2
*
* Open sourced under MIT license by @mdo.
* Some variables and mixins from Bootstrap (Apache 2 license).
*/
//
// Variables
// --------------------------------------------------
// Grayscale
@black-10: darken(#fff, 10%);
@black-20: darken(#fff, 20%);
@black-30: darken(#fff, 30%);
@black-40: darken(#fff, 40%);
@black-50: darken(#fff, 50%);
@black-60: darken(#fff, 60%);
@black-70: darken(#fff, 70%);
@black-80: darken(#fff, 80%);
@black-90: darken(#fff, 90%);
// Brand colors
@brand-primary: #428bca;
@brand-success: #5cb85c;
@brand-warning: #f0ad4e;
@brand-danger: #d9534f;
@brand-info: #5bc0de;
// Scaffolding
@body-background: #fff;
@text-color: @black-50;
// Links
@link-color: @brand-primary;
@link-color-hover: darken(@link-color, 15%);
// Typography
@font-family-sans-serif: "Helvetica Neue", Helvetica, Arial, sans-serif;
@font-family-serif: Georgia, "Times New Roman", Times, serif;
@font-family-monospace: Monaco, Menlo, Consolas, "Courier New", monospace;
@font-family-base: @font-family-sans-serif;
@font-size-base: 14px;
@font-size-large: @font-size-base * 1.25; // ~18px
@font-size-small: @font-size-base * 0.85; // ~12px
@font-size-mini: @font-size-base * 0.75; // ~11px
@line-height-base: 1.4;
@headings-font-family: inherit; // empty to use BS default, @font-family-base
@headings-font-weight: 500;
// Forms
@input-color-placeholder: lighten(@text-color, 25%);
// Grid
// Used with the grid mixins below
@grid-columns: 12;
@grid-column-padding: 15px; // Left and right inner padding
@grid-float-breakpoint: 768px;
//
// Grid system
// --------------------------------------------------
// Grid
.make-row() {
// Negative margin the row out to align the content of columns
margin-left: -@grid-column-padding;
margin-right: -@grid-column-padding;
// Then clear the floated columns
.clearfix();
}
.make-column(@columns) {
@media (min-width: @grid-float-breakpoint) {
float: left;
// Calculate width based on number of columns available
width: percentage(@columns / @grid-columns);
}
// Prevent columns from collapsing when empty
min-height: 1px;
// Set inner padding as gutters instead of margin
padding-left: @grid-column-padding;
padding-right: @grid-column-padding;
// Proper box-model (padding doesn't add to width)
.box-sizing(border-box);
}
.make-column-offset(@columns) {
@media (min-width: @grid-float-breakpoint) {
margin-left: percentage(@columns / @grid-columns);
}
}
//
// Mixins: vendor prefixes
// --------------------------------------------------
// Box sizing
.box-sizing(@box-model) {
-webkit-box-sizing: @box-model; // Safari <= 5
-moz-box-sizing: @box-model; // Firefox <= 19
box-sizing: @box-model;
}
// Single side border-radius
.border-top-radius(@radius) {
border-top-right-radius: @radius;
border-top-left-radius: @radius;
}
.border-right-radius(@radius) {
border-bottom-right-radius: @radius;
border-top-right-radius: @radius;
}
.border-bottom-radius(@radius) {
border-bottom-right-radius: @radius;
border-bottom-left-radius: @radius;
}
.border-left-radius(@radius) {
border-bottom-left-radius: @radius;
border-top-left-radius: @radius;
}
// Drop shadows
.box-shadow(@shadow) {
-webkit-box-shadow: @shadow; // iOS <4.3 & Android <4.1
box-shadow: @shadow;
}
// Transitions
.transition(@transition) {
-webkit-transition: @transition;
-moz-transition: @transition;
-o-transition: @transition;
transition: @transition;
}
.transition-delay(@transition-delay) {
-webkit-transition-delay: @transition-delay;
-moz-transition-delay: @transition-delay;
-o-transition-delay: @transition-delay;
transition-delay: @transition-delay;
}
.transition-duration(@transition-duration) {
-webkit-transition-duration: @transition-duration;
-moz-transition-duration: @transition-duration;
-o-transition-duration: @transition-duration;
transition-duration: @transition-duration;
}
// Transformations
.rotate(@degrees) {
-webkit-transform: rotate(@degrees);
-moz-transform: rotate(@degrees);
-ms-transform: rotate(@degrees);
-o-transform: rotate(@degrees);
transform: rotate(@degrees);
}
.scale(@ratio) {
-webkit-transform: scale(@ratio);
-moz-transform: scale(@ratio);
-ms-transform: scale(@ratio);
-o-transform: scale(@ratio);
transform: scale(@ratio);
}
.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);
}
.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
}
.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
.backface-visibility(@visibility){
-webkit-backface-visibility: @visibility;
-moz-backface-visibility: @visibility;
backface-visibility: @visibility;
}
// User select
//
// For selecting text on the page
.user-select(@select) {
-webkit-user-select: @select;
-moz-user-select: @select;
-ms-user-select: @select;
-o-user-select: @select;
user-select: @select;
}
// Opacity
.opacity(@opacity) {
opacity: @opacity;
@opacity-ie: @opacity * 100;
filter: ~"alpha(opacity=@{opacity-ie})"; // IE8
}
// Placeholder text
.placeholder(@color: @input-color-placeholder) {
&:-moz-placeholder { color: @color; } // Firefox 4-18
&::-moz-placeholder { color: @color; } // Firefox 19+
&:-ms-input-placeholder { color: @color; } // Internet Explorer 10+
&::-webkit-input-placeholder { color: @color; } // Safari and Chrome
}
// Resize anything
.resizable(@direction) {
resize: @direction; // Options: horizontal, vertical, both
overflow: auto; // Safari fix
}
// CSS3 Content Columns
.content-columns(@width, @count, @gap) {
-webkit-column-width: @width;
-moz-column-width: @width;
column-width: @width;
-webkit-column-count: @count;
-moz-column-count: @count;
column-count: @count;
-webkit-column-gap: @gap;
-moz-column-gap: @gap;
column-gap: @gap;
}
// Optional hyphenation
.hyphens(@mode: auto) {
word-wrap: break-word;
-webkit-hyphens: @mode;
-moz-hyphens: @mode;
-ms-hyphens: @mode;
-o-hyphens: @mode;
hyphens: @mode;
}
// Gradients
#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: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=1)",argb(@startColor),argb(@endColor))); // IE9 and down
}
.vertical(@startColor: #555, @endColor: #333) {
background-color: @endColor;
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: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=0)",argb(@startColor),argb(@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: -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
}
.horizontal-three-colors(@startColor: #00b3ee, @midColor: #7a43b6, @colorStop: 50%, @endColor: #c3325f) {
background-color: mix(@midColor, @endColor, 80%);
background-image: -webkit-gradient(left, linear, 0 0, 0 100%, from(@startColor), color-stop(@colorStop, @midColor), to(@endColor));
background-image: -webkit-linear-gradient(left, @startColor, @midColor @colorStop, @endColor);
background-image: -moz-linear-gradient(left, @startColor, @midColor @colorStop, @endColor);
background-image: -o-linear-gradient(left, @startColor, @midColor @colorStop, @endColor);
background-image: linear-gradient(to right, @startColor, @midColor @colorStop, @endColor);
background-repeat: no-repeat;
filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=0)",argb(@startColor),argb(@endColor))); // IE9 and down, gets no color-stop at all for proper fallback
}
.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: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=0)",argb(@startColor),argb(@endColor))); // IE9 and down, gets no color-stop at all for proper fallback
}
.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;
}
.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
//
// Useful for when you want to remove a gradient from an element.
.reset-filter() {
filter: e(%("progid:DXImageTransform.Microsoft.gradient(enabled = false)"));
}
//
// Mixins: utilities
// --------------------------------------------------
// Clearfix
//
// Source: http://nicolasgallagher.com/micro-clearfix-hack/
//
// For modern browsers
// 1. The space content is one way to avoid an Opera bug when the
// contenteditable attribute is included anywhere else in the document.
// Otherwise it causes space to appear at the top and bottom of elements
// that are clearfixed.
// 2. The use of `table` rather than `block` is only necessary if using
// `:before` to contain the top-margins of child elements.
.clearfix() {
*zoom: 1;
&:before,
&:after {
content: " "; // 1
display: table; // 2
// Fixes Opera/contenteditable bug:
// http://nicolasgallagher.com/micro-clearfix-hack/#comment-36952
line-height: 0;
}
&:after {
clear: both;
}
}
// Center-align a block level element
.center-block() {
display: block;
margin-left: auto;
margin-right: auto;
}
// Sizing shortcuts
.size(@width, @height) {
width: @width;
height: @height;
}
.square(@size) {
.size(@size, @size);
}
// Text overflow
//
// Requires inline-block or block for proper styling
.text-truncate() {
overflow: hidden;
text-overflow: ellipsis;
white-space: nowrap;
}
// Retina images
//
// Retina background-image support with non-retina fall back
.retina-image(@file-1x, @file-2x, @width-1x, @height-1x) {
background-image: url("@{file-1x}");
@media
only screen and (-webkit-min-device-pixel-ratio: 2),
only screen and ( min--moz-device-pixel-ratio: 2),
only screen and ( -o-min-device-pixel-ratio: 2/1),
only screen and ( min-device-pixel-ratio: 2),
only screen and ( min-resolution: 192dpi),
only screen and ( min-resolution: 2dppx) {
background-image: url("@{file-2x}");
background-size: @width-1x @height-1x;
}
}
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