diff --git a/less/02-grids.less b/less/02-grids.less
index 1cf48ca..ad85138 100644
--- a/less/02-grids.less
+++ b/less/02-grids.less
@@ -6,7 +6,6 @@
 /* ---------------------------------- */
 
 /* grids inspired from SUIT https://github.com/suitcss/suit */
-/* font-family hack explained here : https://github.com/raphaelgoetter/KNACSS/issues/37 */
 
 .grid {
 	overflow: hidden;
diff --git a/less/09-booleans.less b/less/09-booleans.less
index 2af13af..6e71575 100644
--- a/less/09-booleans.less
+++ b/less/09-booleans.less
@@ -1,78 +1,5 @@
 @import "00-config";
 
-// google maps boolean
-& when (@gmaps = true) {
-	/* Google Gmap3 bug fix on images */
-	.gm-style img {
-		height: 100%;
-	}
-	:not(.gm-style) img {
-		height: auto;
-	}
-	.gm-style img,
-	.gmnoscreen img,
-	.gmnoprint img {
-		max-width: none !important;
-	}
-}
-
-// IE6, 7, 8 support boolean
-& when (@ie678 = true) {
-	/* IE678 support */
-	.ie678 h1, .ie678 .h1-like {
-		.em(@h1-size);
-	}
-	.ie678 h2, .ie678 .h2-like {
-		.em(@h2-size);
-	}
-	.ie678 h3, .ie678 .h3-like {
-		.em(@h3-size);
-	}
-	.ie678 h4, .ie678 .h4-like {
-		.em(@h4-size);
-	}
-	.ie678 h5, .ie678 .h5-like {
-		.em(@h5-size);
-	}
-	.ie678 h6, .ie678 .h6-like {
-		.em(@h6-size);
-	}
-	.ie678 img {
-		width: auto; /* @bugfix for IE8 */
-	}
-	.ie678 .gm-style img {
-		height: 100%;
-	}
-
-	/* hasLayout for IE6/IE7 */
-	.clearfix,
-	.line,
-	.mod,
-	.row,
-	.col {
-		*zoom: 1;
-	}
-	/* inline-block and table-cell for IE6/IE7 */
-	/* warning: .col needs width on IE6/IE7 */
-	.btn,
-	.col,
-	.inbl {
-		*display: inline;
-		*zoom: 1;
-	}
-	.visually-hidden { 
-		*clip: rect(1px 1px 1px 1px); 
-	}
-
-	/* Active box-sizing for IE6/IE7 */
-	/* @source https://github.com/Schepp/box-sizing-polyfill */
-	/*
-	.ie67 * {
-		behavior: url(/lib/box-sizing-polyfill/boxsizing.htc);
-	}
-	*/
-}
-
 // skip-links boolean
 & when (@skip-links = true) {
 	/* styling skip links */
@@ -103,69 +30,4 @@
 			hyphens: auto;
 		}
 	}
-}
-
-// Styling boolean
-& when (@styling = true) {
-	/* styling elements */
-	code, kbd, mark {
-		border-radius: 2px;
-	}
-	kbd {
-		padding: 0 2px;
-		border: 1px solid #999;
-	}
-	code {
-		padding: 2px 4px;
-		background: rgba(0,0,0,.04);
-		color: #b11; 
-	}
-	pre code {
-		padding: none;
-		background: none;
-		color: inherit;
-		border-radius: 0;
-	}
-	mark {
-		padding:2px 4px;
-		background: #ff0;
-	}
-	sup,
-	sub {
-		vertical-align: 0;
-		position: relative;
-	}
-	sup {
-		bottom: 1ex;
-	}
-	sub {
-		top: .5ex;
-	}
-	blockquote {
-		margin-left: 0;
-		padding-left: 1em;
-		border-left: 4px solid rgba(0,0,0,.15);
-		font-style: italic;
-	}
-	q {
-		font-style: normal;
-	}
-	q,
-	.q {
-		quotes: "“\00a0" "\00a0”";
-	}
-	q:lang(fr),
-	.q:lang(fr) {
-		quotes: "«\00a0" "\00a0»";
-	}
-	hr {
-		display: block;
-		clear: both;
-		height: 1px;
-		margin: 1em 0 2em;
-		padding: 0;
-		border: 0;
-		color: #ccc;
-		background-color: #ccc;
-	}
 }
\ No newline at end of file
diff --git a/less/10-gmaps 1.less b/less/10-gmaps 1.less
new file mode 100644
index 0000000..2af13af
--- /dev/null
+++ b/less/10-gmaps 1.less	
@@ -0,0 +1,171 @@
+@import "00-config";
+
+// google maps boolean
+& when (@gmaps = true) {
+	/* Google Gmap3 bug fix on images */
+	.gm-style img {
+		height: 100%;
+	}
+	:not(.gm-style) img {
+		height: auto;
+	}
+	.gm-style img,
+	.gmnoscreen img,
+	.gmnoprint img {
+		max-width: none !important;
+	}
+}
+
+// IE6, 7, 8 support boolean
+& when (@ie678 = true) {
+	/* IE678 support */
+	.ie678 h1, .ie678 .h1-like {
+		.em(@h1-size);
+	}
+	.ie678 h2, .ie678 .h2-like {
+		.em(@h2-size);
+	}
+	.ie678 h3, .ie678 .h3-like {
+		.em(@h3-size);
+	}
+	.ie678 h4, .ie678 .h4-like {
+		.em(@h4-size);
+	}
+	.ie678 h5, .ie678 .h5-like {
+		.em(@h5-size);
+	}
+	.ie678 h6, .ie678 .h6-like {
+		.em(@h6-size);
+	}
+	.ie678 img {
+		width: auto; /* @bugfix for IE8 */
+	}
+	.ie678 .gm-style img {
+		height: 100%;
+	}
+
+	/* hasLayout for IE6/IE7 */
+	.clearfix,
+	.line,
+	.mod,
+	.row,
+	.col {
+		*zoom: 1;
+	}
+	/* inline-block and table-cell for IE6/IE7 */
+	/* warning: .col needs width on IE6/IE7 */
+	.btn,
+	.col,
+	.inbl {
+		*display: inline;
+		*zoom: 1;
+	}
+	.visually-hidden { 
+		*clip: rect(1px 1px 1px 1px); 
+	}
+
+	/* Active box-sizing for IE6/IE7 */
+	/* @source https://github.com/Schepp/box-sizing-polyfill */
+	/*
+	.ie67 * {
+		behavior: url(/lib/box-sizing-polyfill/boxsizing.htc);
+	}
+	*/
+}
+
+// skip-links boolean
+& when (@skip-links = true) {
+	/* styling skip links */
+	.skip-links {
+		position: absolute;
+
+		a {
+			position: absolute;
+			left: -7000px;
+			padding: 0.5em;
+			background: black;
+			color: white;
+			text-decoration: none;
+		
+			&:focus {
+				position: static;
+			}
+		}
+	}
+}
+
+// hyphens boolean
+& when (@hyphens = true) {
+	@media (max-width: @small-screen) {
+		/* you shall not pass */
+		div, textarea, table, td, th, code, pre, samp {
+			word-wrap: break-word;
+			hyphens: auto;
+		}
+	}
+}
+
+// Styling boolean
+& when (@styling = true) {
+	/* styling elements */
+	code, kbd, mark {
+		border-radius: 2px;
+	}
+	kbd {
+		padding: 0 2px;
+		border: 1px solid #999;
+	}
+	code {
+		padding: 2px 4px;
+		background: rgba(0,0,0,.04);
+		color: #b11; 
+	}
+	pre code {
+		padding: none;
+		background: none;
+		color: inherit;
+		border-radius: 0;
+	}
+	mark {
+		padding:2px 4px;
+		background: #ff0;
+	}
+	sup,
+	sub {
+		vertical-align: 0;
+		position: relative;
+	}
+	sup {
+		bottom: 1ex;
+	}
+	sub {
+		top: .5ex;
+	}
+	blockquote {
+		margin-left: 0;
+		padding-left: 1em;
+		border-left: 4px solid rgba(0,0,0,.15);
+		font-style: italic;
+	}
+	q {
+		font-style: normal;
+	}
+	q,
+	.q {
+		quotes: "“\00a0" "\00a0”";
+	}
+	q:lang(fr),
+	.q:lang(fr) {
+		quotes: "«\00a0" "\00a0»";
+	}
+	hr {
+		display: block;
+		clear: both;
+		height: 1px;
+		margin: 1em 0 2em;
+		padding: 0;
+		border: 0;
+		color: #ccc;
+		background-color: #ccc;
+	}
+}
\ No newline at end of file
diff --git a/less/10-gmaps.less b/less/10-gmaps.less
new file mode 100644
index 0000000..e8a1dca
--- /dev/null
+++ b/less/10-gmaps.less
@@ -0,0 +1,17 @@
+@import "00-config";
+
+// google maps boolean
+& when (@gmaps = true) {
+	/* Google Gmap3 bug fix on images */
+	.gm-style img {
+		height: 100%;
+	}
+	:not(.gm-style) img {
+		height: auto;
+	}
+	.gm-style img,
+	.gmnoscreen img,
+	.gmnoprint img {
+		max-width: none !important;
+	}
+}
\ No newline at end of file
diff --git a/less/11-ie.less b/less/11-ie.less
new file mode 100644
index 0000000..faaa504
--- /dev/null
+++ b/less/11-ie.less
@@ -0,0 +1,58 @@
+@import "00-config";
+
+// IE6, 7, 8 support boolean
+& when (@ie678 = true) {
+	/* IE678 support */
+	.ie678 h1, .ie678 .h1-like {
+		.em(@h1-size);
+	}
+	.ie678 h2, .ie678 .h2-like {
+		.em(@h2-size);
+	}
+	.ie678 h3, .ie678 .h3-like {
+		.em(@h3-size);
+	}
+	.ie678 h4, .ie678 .h4-like {
+		.em(@h4-size);
+	}
+	.ie678 h5, .ie678 .h5-like {
+		.em(@h5-size);
+	}
+	.ie678 h6, .ie678 .h6-like {
+		.em(@h6-size);
+	}
+	.ie678 img {
+		width: auto; /* @bugfix for IE8 */
+	}
+	.ie678 .gm-style img {
+		height: 100%;
+	}
+
+	/* hasLayout for IE6/IE7 */
+	.clearfix,
+	.line,
+	.mod,
+	.row,
+	.col {
+		*zoom: 1;
+	}
+	/* inline-block and table-cell for IE6/IE7 */
+	/* warning: .col needs width on IE6/IE7 */
+	.btn,
+	.col,
+	.inbl {
+		*display: inline;
+		*zoom: 1;
+	}
+	.visually-hidden { 
+		*clip: rect(1px 1px 1px 1px); 
+	}
+
+	/* Active box-sizing for IE6/IE7 */
+	/* @source https://github.com/Schepp/box-sizing-polyfill */
+	/*
+	.ie67 * {
+		behavior: url(/lib/box-sizing-polyfill/boxsizing.htc);
+	}
+	*/
+}
\ No newline at end of file
diff --git a/less/12-styling.less b/less/12-styling.less
new file mode 100644
index 0000000..fd227b3
--- /dev/null
+++ b/less/12-styling.less
@@ -0,0 +1,66 @@
+@import "00-config";
+
+// Styling boolean
+& when (@styling = true) {
+	/* styling elements */
+	code, kbd, mark {
+		border-radius: 2px;
+	}
+	kbd {
+		padding: 0 2px;
+		border: 1px solid #999;
+	}
+	code {
+		padding: 2px 4px;
+		background: rgba(0,0,0,.04);
+		color: #b11; 
+	}
+	pre code {
+		padding: none;
+		background: none;
+		color: inherit;
+		border-radius: 0;
+	}
+	mark {
+		padding:2px 4px;
+		background: #ff0;
+	}
+	sup,
+	sub {
+		vertical-align: 0;
+		position: relative;
+	}
+	sup {
+		bottom: 1ex;
+	}
+	sub {
+		top: .5ex;
+	}
+	blockquote {
+		margin-left: 0;
+		padding-left: 1em;
+		border-left: 4px solid rgba(0,0,0,.15);
+		font-style: italic;
+	}
+	q {
+		font-style: normal;
+	}
+	q,
+	.q {
+		quotes: "“\00a0" "\00a0”";
+	}
+	q:lang(fr),
+	.q:lang(fr) {
+		quotes: "«\00a0" "\00a0»";
+	}
+	hr {
+		display: block;
+		clear: both;
+		height: 1px;
+		margin: 1em 0 2em;
+		padding: 0;
+		border: 0;
+		color: #ccc;
+		background-color: #ccc;
+	}
+}
\ No newline at end of file