KNACSS/less/00-config.less

// Config file : variables, mixins, ...

// booleans
@enable-ie678 			: true; // "true" to activate IE6/IE7/IE8 support
@enable-styling			: true; // "true" to design basic elements like code, mark, blockquotes, etc.
@enable-gmaps			: true; // if google maps is used
@enable-skip-links		: true; // "true" to design skip links for accessibility concerns
@enable-hyphens			: true; // activate automatic hyphens on small screens
@enable-helpers-width	: true; // decide whether or not you need width helpers
@enable-helpers-spacing	: true; // decide whether or not you need spacing helpers

// font sizes
@base-font-size	: 14px; // if "14px" then 1em = 14px
@line-height	: 1.5; // equiv line-height 1.5
@h1-size		: 3.2rem; // equiv "32px"
@h2-size		: 2.8rem; // equiv "28px"
@h3-size		: 2.4rem; // equiv "24px"
@h4-size		: 2.0rem; // equiv "20px"
@h5-size		: 1.8rem; // equiv "18px"
@h6-size		: 1.6rem; // equiv "16px"

// font stacks
@font-stack-common		: Helvetica, Arial, sans-serif; // common font
@font-stack-monospace	: Consolas, 'DejaVu Sans Mono', Courier, monospace; // monospace font
@font-stack-universal	: FreeSans, Arimo, "Droid Sans", Helvetica, Arial, sans-serif; // universal stack

// font colors
@base-color				: #000; // text color on body
@base-color-link		: #333; // primary links color;
@base-color-link-hover	: #000; // primary hovered/focused links color;

// backgrounds
@base-background		: #fff; // body background color

// spacings
@tiny-value				: 0.5em; // tiny value for margins / paddings
@small-value			: 1em; // small value for margins / paddings
@medium-value			: 2em; // medium value for margins / paddings
@large-value			: 4em; // large value for margins / paddings
@extra-large-value		: 6em; // extra large value for margins / paddings
@ultra-large-value		: 10em; // ultra large value for margins / paddings

// breakpoints
@tiny-screen			: 320px; // tiny screens media query
@small-screen			: 480px; // small screens media query
@medium-screen			: 768px; // small screens media query
@large-screen			: 1024px; // large screens media query
@extra-large-screen		: 1280px; // extra large screens media query
@ultra-large-screen		: 1600px; // ultra large screens media query

// misc
@gutter		: 20px; // gutter value (%, px, em, rem) for grid layouts

// LESS mixins : don't touch or you'll be banned ;)
// px to em/rem 
.rem(@size, @bf: @base-font-size){
	@rem: @size;
	font-size: unit(round(@base-font-size * @size), px);
	font-size: unit(@rem, rem);
}
.em(@size, @bf: @base-font-size){
	@em: @size / @bf;
	font-size: unit(round(@em,2), em);
}