KNACSS/sass/rwd.scss

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

@include r(medium) {
	/* Here go rules for big resources and big screens 
	 * like: background-images, font-faces, etc. 
	 */
}

@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) { 
  /* Retina-specific stuff here */
}


/* ---------------------------------- */
/* ==Responsive large / medium / tiny */
/* ---------------------------------- */

@include r(large) {

	/* Layouts for large (l) screens */
	.large-hidden,
	.tablet-hidden { display: none  !important; }
	.large-visible { display: block !important; }
	
	.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 r(medium) {

	/* quick tablet reset */
	.w60,
	.w66,
	.w70,
	.w75,
	.w80,
	.w90,
	.w100,
	.w600p,
	.w700p,
	.w800p,
	.w960p,
	.mw960p,
	.medium-wauto { width: auto; } 

	/* layouts for medium (m) screens */
	.medium-hidden,
	.tablet-hidden  { display: none  !important; }
	.medium-visible { display: block !important; }

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

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

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

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

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

	.medium-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 medium (m) screens */
	.medium-ma0,
	.medium-man { margin: 0 !important; }

	/* Responsive grids */
	.grid4 > * {width: 49% !important; } 
	.grid4 > :first-child + * + * {margin-left: 0 !important;}
	.grid6 > * {width: 32% !important; }  
	.grid6 > :first-child + * + * + * {margin-left: 0 !important;}
}

@include r(small) {

	/* 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;
	}

	/* Layouts for tiny (t) screens */
	.tiny-hidden,
	.phone-hidden { display: none  !important; }
	.tiny-visible { display: block !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;
	}

	th,
	td {
		display: block !important;
		width: auto !important;
		text-align: left !important;
	}

	thead { display: none; }

	/* 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; }
}