KNACSS/less/01-base.less

@import "00-config";
/*!
* www.KNACSS.com V3.0.0 (2014-05) @author: Raphael Goetter, Alsacreations
* Licence WTFPL http://www.wtfpl.net/
*/

/* ----------------------------- */
/* == soft reset                 */
/* ----------------------------- */

/* switching box model for all elements */
* {
	box-sizing: border-box;
}

/* soft reset */
html,
body {
	margin: 0;
	padding: 0;
}
ul,
ol {
	padding-left: 2em;
}
ul.unstyled {
	list-style: none;
}
img {
	height: auto;
	vertical-align: middle;
	border: 0;
}
audio,
canvas,
video {
	display: inline-block;
}
svg:not(:root) {
	overflow: hidden;
}
:rtl * {
	direction: rtl;
	text-align: right;
}
[hidden],
audio:not([controls]),
area,
base,
command,
datalist,
head,
input[type=hidden],
link,
menu[type=context],
meta,
param,
rp,
script,
source,
style,
title {
	display: none;
}
/* ----------------------------- */
/* == typography                 */
/* ----------------------------- */

/* base font-size corresponds to 10px and is adapted to rem unit */
html {
	font-size: 62.5%;
	-webkit-text-size-adjust: 100%;
	    -ms-text-size-adjust: 100%;
	        text-size-adjust: 100%;
}
body {
	background-color: @basebg;
	color: @basecolor;
	font-family: @fontstack1;
	font-size: unit((@basefont / 10), em);
	line-height: @lh;
}

/* font-sizing for content */
/* preserve vertical-rythm, thanks to http://soqr.fr/vertical-rhythm/ */
p,
.p-like,
ul,
ol,
dl,
blockquote,
pre,
td,
th,
label,
textarea,
caption,
details, 
figure, 
hgroup {
	margin-top: 0.75em;
	margin-bottom: 0;
	line-height: @lh;
}
h1, .h1-like {
	.rem(@h1-size / 10);
}
h2, .h2-like {
	.rem(@h2-size / 10);
}
h3, .h3-like {
	.rem(@h3-size / 10);
}
h4, .h4-like {
	.rem(@h4-size / 10);
}
h5, .h5-like {
	.rem(@h5-size / 10);
}
h6, .h6-like {
	.rem(@h6-size / 10);
}

/* alternate font-sizing */
.smaller {
	.em(@basefont - 4);
}
.small {
	.em(@basefont - 2);
}
.big {
	.em(@basefont + 2);
}
.bigger {
	.em(@basefont + 4);
}
.biggest {
	.em(@basefont + 6);
}

code, 
pre,
samp,
kbd {
	white-space: pre-line; /* IE fix */
	white-space: pre-wrap;
	font-family: @fontstack2;
	line-height: normal;
}
em,
.em,
address,
cite,
dfn,
i,
var {
	font-style: italic;
}
.no-em {
	font-style: normal;
}
strong,
.strong {
	font-weight: bold;
}
.no-strong {
	font-weight: normal;
}
small,
sub,
sup {
	font-size: smaller;
}

/* ----------------------------- */
/* == hiding content             */
/* ----------------------------- */

.visually-hidden { 
	position: absolute !important; 
	clip: rect(1px, 1px, 1px, 1px); 
	overflow: hidden;
	height: 1px; width: 1px;
}
body > script {
	display: none !important;
}
@media print {
	.no-print {
		display: none;
	}
}
@media (max-width: @small-screen) {
	.no-small-screen {
		display: none;
	}
}
@media (min-width: @large-screen) {
	.no-large-screen {
		display: none;
	}
}
/* ----------------------------- */
/* == browsers consistency       */
/* ----------------------------- */

/* avoid top margins on first content element */
p, .p-like, ul, ol, dl,
blockquote, pre,
h1, h2, h3, h4, h5, h6 {
	&:first-child {
		margin-top: 0;
	}
}

/* avoid margins on nested elements */
li p,
li .p-like,
li ul,
li ol {
	margin-top: 0;
	margin-bottom: 0;
}

/* max values */
img, table, td, blockquote, code, pre, textarea, input, video {
	max-width: 100%;
}

/* margin-bottom on tables */
table { margin-bottom: @medium-value; }


/* ----------------------------- */
/* ==layout and modules          */
/* ----------------------------- */

/* float layout */
/* module, gains superpower "BFC" Block Formating Context */
.mod { 
	overflow: hidden;
}

/* blocks that needs to be placed under floats */
.clear,
.line,
.row {
	clear: both;
}

/* blocks that must contain floats */
.clearfix,
.line {
	&:after {
		content: "";
		display: table;
		clear: both;
	}
}

/* table layout */
.row {
	display: table;
	table-layout: fixed;
	width: 100%;
}
.row > *,
.col {
	display: table-cell;
	vertical-align: top;
}

/* inline-block */
.inbl {
	display: inline-block;
	vertical-align: top;
}


/* alignments (blocks and inline) */
/* ------------------------------ */

/* left (or starting) elements */
.left,
.start {
	float: left;
}
img.left,
img.start  {
	margin-right: @small-value;
}
/* right (or ending) elements */
.right,
.end {
	float: right;
}
img.right,
img.end {
	margin-left: @small-value;
}
img.left, img.right,
img.start, img.end {
	margin-bottom: @tiny-value;
}
.center    { margin-left: auto; margin-right: auto; }
.txtleft   { text-align: left; }
.txtright  { text-align: right; }
.txtcenter { text-align: center; }


// width helpers boolean
& when (@helpers-width = true) {
	/* blocks widths (percentage and pixels) */
	.w10    { width: 10%; }
	.w20    { width: 20%; }
	.w25    { width: 25%; }
	.w30    { width: 30%; }
	.w33    { width: 33.3333%; }
	.w40    { width: 40%; }
	.w50    { width: 50%; }
	.w60    { width: 60%; }
	.w66    { width: 66.6666%; }
	.w70    { width: 70%; }
	.w75    { width: 75%; }
	.w80    { width: 80%; }
	.w90    { width: 90%; }
	.w100   { width: 100%; }

	.w50p   { width: 50px; }
	.w100p  { width: 100px; }
	.w150p  { width: 150px; }
	.w200p  { width: 200px; }
	.w300p  { width: 300px; }
	.w400p  { width: 400px; }
	.w500p  { width: 500px; }
	.w600p  { width: 600px; }
	.w700p  { width: 700px; }
	.w800p  { width: 800px; }
	.w960p  { width: 960px; }
	.mw960p { max-width: 960px; }
	.w1140p  { width: 1140px; }
	.mw1140p { max-width: 1140px; }
	.wauto  { width: auto; }
}


// spacing helpers boolean
& when (@helpers-spacing = true) {
	/* spacing helpers
	p,m = padding,margin
	a,t,r,b,l = all,top,right,bottom,left
	s,m,l,n = small, medium, large, none
	*/
	.man { margin: 0; }
	.pan { padding: 0; }
	.mas { margin: @small-value; }
	.mam { margin: @medium-value; }
	.mal { margin: @large-value; }
	.pas { padding: @small-value; }
	.pam { padding: @medium-value; }
	.pal { padding: @large-value; }

	.mtn { margin-top: 0; }
	.mts { margin-top: @small-value; }
	.mtm { margin-top: @medium-value; }
	.mtl { margin-top: @large-value; }
	.mrn { margin-right: 0; }
	.mrs { margin-right: @small-value; }
	.mrm { margin-right: @medium-value; }
	.mrl { margin-right: @large-value; }
	.mbn { margin-bottom: 0; }
	.mbs { margin-bottom: @small-value; }
	.mbm { margin-bottom: @medium-value; }
	.mbl { margin-bottom: @large-value; }
	.mln { margin-left: 0; }
	.mls { margin-left: @small-value; }
	.mlm { margin-left: @medium-value; }
	.mll { margin-left: @large-value; }

	.ptn { padding-top: 0; }
	.pts { padding-top: @small-value; }
	.ptm { padding-top: @medium-value; }
	.ptl { padding-top: @large-value; }
	.prn { padding-right: 0; }
	.prs { padding-right: @small-value; }
	.prm { padding-right: @medium-value; }
	.prl { padding-right: @large-value; }
	.pbn { padding-bottom: 0; }
	.pbs { padding-bottom: @small-value; }
	.pbm { padding-bottom: @medium-value; }
	.pbl { padding-bottom: @large-value; }
	.pln { padding-left: 0; }
	.pls { padding-left: @small-value; }
	.plm { padding-left: @medium-value; }
	.pll { padding-left: @large-value; }
}