KNACSS/sass/_rwd.scss

/* ----------------------------- */
/* ==desktop and retina medias   */
/* ----------------------------- */

/* ----------------------------- */
/* ==viewport fixing for RWD     */
/* ----------------------------- */
@-webkit-viewport {
	width: device-width;
	zoom: 1.0;
}
@-moz-viewport {
	width: device-width;
	zoom: 1.0;
}
@-ms-viewport {
	width: device-width;
	zoom: 1.0;
}
@-o-viewport {
	width: device-width;
	zoom: 1.0;
}
@viewport {
	width: device-width;
	zoom: 1.0;
}

@include mq(medium) {
	/* Big resources like background-images, font-faces, etc. */
}

@include mq(retina) {
	/* Retina-specific stuff here */
}

/* ---------------------------------- */
/* ==Responsive large / small / tiny */
/* ---------------------------------- */

@include mq(large) {

	.large-no-float { float: none; }
	
	.large-inbl {
		@include inline-block(top);
		float: none;
	}
	
	.large-row {
		display: table;
		table-layout: fixed;
		width: 100% !important;
	}

	.large-col {
		display: table-cell;
		vertical-align: top;
	}

	/* Widths for large (l) screens */
	.large-w25 { width: 25% !important; }
	.large-w33 { width: 33.3333% !important; }
	.large-w50 { width: 50% !important; }
	.large-w66 { width: 66.6666% !important; }
	.large-w75 { width: 75% !important; }
	.large-w100 {
		display: block  !important;
		float: none 	!important;
		clear: none 	!important;
		width: auto 	!important;
		margin-left: 0  !important;
		margin-right: 0 !important;
		border: 0;		
	}

	/* Margins for large (l) screens */
	.large-ma0,
	.large-man { margin: 0 !important; }
}

@include mq(small) {
	.small-no-float { float: none; }

	.small-inbl {
		@include inline-block(top);
		float: none;
	}

	.small-row {
		display: table !important;
		table-layout: fixed !important;
		width: 100% !important;
	}

	.small-col {
		display: table-cell !important;
		vertical-align: top !important;
	}

	/* widths for small (s) screens */
	.small-w25 { width: 25% !important; }
	.small-w33 { width: 33.3333% !important; }
	.small-w50 { width: 50% !important; }
	.small-w66 { width: 66.6666% !important; }
	.small-w75 { width: 75% !important; }

	.small-w100 {
		display: block  !important;
		float: none 	!important;
		clear: none 	!important;
		width: auto 	!important;
		margin-left:  0 !important;
		margin-right: 0 !important;
		border: 0;		
	}

	/* margins for small (s) screens */
	.small-ma0,
	.small-man { margin: 0 !important; }
}

@include mq(tiny) {

	/* Quick smartphone reset */
	.mod,
	.item,
	.col,
	fieldset {
		display: block  !important;
		float: none 	!important;
		clear: none 	!important;
		width: auto 	!important;
		margin-left:  0 !important;
		margin-right: 0 !important;
		border: 0;
	}

	.w30,
	.w33, 
	.w40,
	.w50,
	.w300p,
	.w400p,
	.w500p {
		width: auto;
	}

	.row { 
		display: block !important;
		width: 100% !important;
	}


	.tiny-no-float { float: none; }

	.tiny-inbl {
		@include inline-block(top);
		float: none;
	}

	.tiny-row {
		display: table !important;
		table-layout: fixed !important;
		width: 100% !important;
	}

	.tiny-col {
		display: table-cell !important;
		vertical-align: top !important;
	}

	/* widths for tiny (t) screens */
	.tiny-w25 { width: 25% !important; }
	.tiny-w33 { width: 33.3333% !important; }
	.tiny-w50 { width: 50% !important; }
	.tiny-w66 { width: 66.6666% !important; }
	.tiny-w75 { width: 75% !important; }

	.tiny-w100 { 
		display: block  !important;
		float: none 	!important;
		clear: none 	!important;
		width: auto 	!important;
		margin-left:  0 !important;
		margin-right: 0 !important;
		border: 0;
	}

	/* Margins for tiny (t) screens */
	.tiny-ma0,
	.tiny-man { margin: 0 !important; }
}