diff --git a/bower.json b/bower.json
index f425312..69f6ab1 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "KNACSS",
-  "version": "4.4.1",
+  "version": "4.4.2",
   "homepage": "http://www.knacss.com/",
   "authors": [
     "Raphaël GOETTER, Alsacreations"
diff --git a/changelog.md b/changelog.md
index 0fc3062..0989edb 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,3 +1,8 @@
+# changelog v4.4.2 (24 décembre 2015)
+
+- correction d'un bug responsive des classes `.flex-item-double`
+- création de la feuille de style dédiée aux grilles : *grillade.css* pour ceux qui souhaitent se contenter des grilles de KNACSS
+
 # changelog v4.4.0 (12 décembre 2015)
 
 - ajout de classes d'état dans les helpers (`is-disabled`, `is-hidden`, `is-visually-hidden`, `is-unstyled`)
diff --git a/css/grillade.css b/css/grillade.css
new file mode 100644
index 0000000..b783bc9
--- /dev/null
+++ b/css/grillade.css
@@ -0,0 +1,4 @@
+/*!
+* www.KNACSS.com V4.4.2 (24 décembre 2015) @author: Raphael Goetter, Alsacreations
+* Licence WTFPL http://www.wtfpl.net/
+*/[class*=grid-]{display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-box-orient:horizontal;-webkit-box-direction:normal;-webkit-flex-direction:row;-ms-flex-direction:row;flex-direction:row;-webkit-flex-wrap:wrap;-ms-flex-wrap:wrap;flex-wrap:wrap;margin-left:-2rem;letter-spacing:-.31em;text-rendering:optimizespeed}[class*=grid-]>*{-webkit-box-flex:0;-webkit-flex:0 0 auto;-ms-flex:0 0 auto;flex:0 0 auto;width:calc(100% * 1 / 4 - 2rem - .01px);margin-left:2rem;display:inline-block;vertical-align:top;letter-spacing:normal;text-rendering:auto}[class*=grid-2]>*{width:calc(100% * 1 / 2 - 2rem - .01px)}[class*=grid-2]>.flex-item-double{width:calc(100% * 2 / 2 - 2rem - .01px)}[class*=grid-3]>*{width:calc(100% * 1 / 3 - 2rem - .01px)}[class*=grid-3]>.flex-item-double{width:calc(100% * 2 / 3 - 2rem - .01px)}[class*=grid-4]>*{width:calc(100% * 1 / 4 - 2rem - .01px)}[class*=grid-4]>.flex-item-double{width:calc(100% * 2 / 4 - 2rem - .01px)}[class*=grid-5]>*{width:calc(100% * 1 / 5 - 2rem - .01px)}[class*=grid-5]>.flex-item-double{width:calc(100% * 2 / 5 - 2rem - .01px)}[class*=grid-6]>*{width:calc(100% * 1 / 6 - 2rem - .01px)}[class*=grid-6]>.flex-item-double{width:calc(100% * 2 / 6 - 2rem - .01px)}[class*=grid-7]>*{width:calc(100% * 1 / 7 - 2rem - .01px)}[class*=grid-7]>.flex-item-double{width:calc(100% * 2 / 7 - 2rem - .01px)}[class*=grid-8]>*{width:calc(100% * 1 / 8 - 2rem - .01px)}[class*=grid-8]>.flex-item-double{width:calc(100% * 2 / 8 - 2rem - .01px)}[class*=grid-10]>*{width:calc(100% * 1 / 10 - 2rem - .01px)}[class*=grid-10]>.flex-item-double{width:calc(100% * 2 / 10 - 2rem - .01px)}[class*=grid-12]>*{width:calc(100% * 1 / 12 - 2rem - .01px)}[class*=grid-12]>.flex-item-double{width:calc(100% * 2 / 12 - 2rem - .01px)}@media (max-width:640px){[class*="-small-4"]>*{width:calc(100% * 1 / 4 - 2rem - .01px)}[class*="-small-4"]>.flex-item-double{width:calc(100% * 1 / 2 - 2rem - .01px)}[class*="-small-3"]>*{width:calc(100% * 1 / 3 - 2rem - .01px)}[class*="-small-3"]>.flex-item-double{width:calc(100% * 2 / 3 - 2rem - .01px)}[class*="-small-2"]>*{width:calc(100% * 1 / 2 - 2rem - .01px)}[class*="-small-2"]>.flex-item-double,[class*="-small-1"]>*,[class*="-small-1"]>.flex-item-double{width:calc(100% - 2rem - .01px)}}@media (max-width:320px){[class*="-tiny-2"]>*{width:calc(100% * 1 / 2 - 2rem - .01px)}[class*="-tiny-2"]>.flex-item-double,[class*="-tiny-1"]>*,[class*="-tiny-1"]>.flex-item-double{width:calc(100% - 2rem - .01px)}}.grid-2-1>:nth-child(odd){width:calc(66.66666666666666% - 2rem - .01px)}.grid-2-1>:nth-child(even){width:calc(33.33333333333333% - 2rem - .01px)}@media (max-width:640px){.grid-2-1>:nth-child(n){width:calc(100% - 2rem - .01px)}}.grid-1-2>:nth-child(odd){width:calc(33.33333333333333% - 2rem - .01px)}.grid-1-2>:nth-child(even){width:calc(66.66666666666666% - 2rem - .01px)}@media (max-width:640px){.grid-1-2>:nth-child(n){width:calc(100% - 2rem - .01px)}}.grid-3-1>:nth-child(odd){width:calc(75% - 2rem - .01px)}.grid-3-1>:nth-child(even){width:calc(25% - 2rem - .01px)}@media (max-width:640px){.grid-3-1>:nth-child(n){width:calc(100% - 2rem - .01px)}}.grid-1-3>:nth-child(odd){width:calc(25% - 2rem - .01px)}.grid-1-3>:nth-child(even){width:calc(75% - 2rem - .01px)}@media (max-width:640px){.grid-1-3>:nth-child(n){width:calc(100% - 2rem - .01px)}}.grid-3-2>:nth-child(odd){width:calc(60% - 2rem - .01px)}.grid-3-2>:nth-child(even){width:calc(40% - 2rem - .01px)}@media (max-width:640px){.grid-3-2>:nth-child(n){width:calc(100% - 2rem - .01px)}}.grid-2-3>:nth-child(odd){width:calc(40% - 2rem - .01px)}.grid-2-3>:nth-child(even){width:calc(60% - 2rem - .01px)}@media (max-width:640px){.grid-2-3>:nth-child(n){width:calc(100% - 2rem - .01px)}}.grid-4-1>:nth-child(odd){width:calc(80% - 2rem - .01px)}.grid-4-1>:nth-child(even){width:calc(20% - 2rem - .01px)}@media (max-width:640px){.grid-4-1>:nth-child(n){width:calc(100% - 2rem - .01px)}}.grid-1-4>:nth-child(odd){width:calc(20% - 2rem - .01px)}.grid-1-4>:nth-child(even){width:calc(80% - 2rem - .01px)}@media (max-width:640px){.grid-1-4>:nth-child(n){width:calc(100% - 2rem - .01px)}}.pull{margin-right:auto}.push{margin-left:auto}
\ No newline at end of file
diff --git a/css/knacss-unminified.css b/css/knacss-unminified.css
index e5ec13f..ac29838 100644
--- a/css/knacss-unminified.css
+++ b/css/knacss-unminified.css
@@ -1,5 +1,5 @@
 /*!
-* www.KNACSS.com V4.4.1 (22 décembre 2015) @author: Raphael Goetter, Alsacreations
+* www.KNACSS.com V4.4.2 (24 décembre 2015) @author: Raphael Goetter, Alsacreations
 * Licence WTFPL http://www.wtfpl.net/
 */
 /*! normalize.css v3.0.2 | MIT License | github.com/necolas/normalize.css */
@@ -672,7 +672,7 @@ http://www.alsacreations.com/tuto/lire/1493-css3-flexbox-layout-module.html
   margin: auto;
 }
 /* ---------------------------------- */
-/* ==Grids                            */
+/* ==Grillade                         */
 /* ---------------------------------- */
 /* grid container */
 [class*="grid-"] {
diff --git a/css/knacss.css b/css/knacss.css
index d7fbdf0..97cc305 100644
--- a/css/knacss.css
+++ b/css/knacss.css
@@ -1,4 +1,4 @@
 /*!
-* www.KNACSS.com V4.4.1 (22 décembre 2015) @author: Raphael Goetter, Alsacreations
+* www.KNACSS.com V4.4.2 (24 décembre 2015) @author: Raphael Goetter, Alsacreations
 * Licence WTFPL http://www.wtfpl.net/
 *//*! normalize.css v3.0.2 | MIT License | github.com/necolas/normalize.css */a:active,a:focus,a:hover,body,mark{color:#000}.table,blockquote,code,img,input,pre,svg,table,td,textarea,video{max-width:100%}.row,.table,table{table-layout:fixed}.col,.inbl,.row>*,.table,table,td,th{vertical-align:top}button[disabled],html input[disabled],td,th{cursor:default}html{font-family:sans-serif;-ms-text-size-adjust:100%;-webkit-text-size-adjust:100%}article,aside,details,figcaption,figure,footer,header,hgroup,main,menu,nav,section,summary{display:block}audio,canvas,progress,video{display:inline-block;vertical-align:baseline}audio:not([controls]){display:none;height:0}[hidden],template{display:none}a{background-color:transparent;color:#333}a:active,a:hover{outline:0}abbr[title]{border-bottom:1px dotted}b,optgroup,strong{font-weight:700}dfn{font-style:italic}h1{margin:.67em 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input[type=button],input[type=reset],input[type=submit]{-webkit-appearance:button;cursor:pointer}button::-moz-focus-inner,input::-moz-focus-inner{border:0;padding:0}input{line-height:normal}input[type=checkbox],input[type=radio]{box-sizing:border-box;padding:0}input[type=number]::-webkit-inner-spin-button,input[type=number]::-webkit-outer-spin-button{height:auto}input[type=search]{-webkit-appearance:textfield;box-sizing:content-box}input[type=search]::-webkit-search-cancel-button,input[type=search]::-webkit-search-decoration{-webkit-appearance:none}fieldset{margin:0 2px;padding:.35em .625em .75em}legend{padding:0;border:0;white-space:normal}html{box-sizing:border-box;font-size:62.5%;font-size:calc(1em * .625)}*{box-sizing:inherit}ol,ul{padding-left:2em}img:not([src$=".svg"]){height:auto}blockquote,figure{margin-left:0;margin-right:0}body{margin:0;font-size:1.4rem;background-color:#fff;line-height:1.5}.center,.right{margin-left:auto}.center,.left{margin-right:auto}.p-like,blockquote,caption,details,dl,figure,label,ol,p,pre,td,textarea,th,ul{margin-top:.75em;margin-bottom:0;line-height:1.5}.h1-like,h1{font-size:3.2rem}.h2-like,h2{font-size:2.8rem}.h3-like,h3{font-size:2.4rem}.h4-like,h4{font-size:2rem}.h5-like,h5{font-size:1.8rem}.h6-like,h6{font-size:1.6rem}.smaller{font-size:.6em}.small{font-size:.8em}.big{font-size:1.2em}.bigger{font-size:1.5em}.biggest{font-size:2em}code,kbd,pre,samp{white-space:pre-line;white-space:pre-wrap;font-family:consolas,courier,monospace;line-height:normal}.italic,address,cite,em,i,var{font-style:italic}.h1-like:first-child,.h2-like:first-child,.h3-like:first-child,.h4-like:first-child,.h5-like:first-child,.h6-like:first-child,.p-like:first-child,blockquote:first-child,dl:first-child,h1:first-child,h2:first-child,h3:first-child,h4:first-child,h5:first-child,h6:first-child,ol:first-child,p:first-child,pre:first-child,ul:first-child{margin-top:0}li 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diff --git a/gulpfile.js b/gulpfile.js
index d7c6b79..227fd43 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -24,6 +24,15 @@ gulp.task('css', function () {
     .pipe(gulp.dest('./css/'));
 });
 
+gulp.task('grillade', function() {
+  return gulp.src(['./less/_00-config.less', './less/_03-grids.less'])
+    .pipe(concat('grillade.less'))
+    .pipe(less())
+    .pipe(autoprefixer())
+    .pipe(minifycss())
+    .pipe(gulp.dest('./css/'));
+});
+
 // Watcher
 gulp.task('watch', function() {
   gulp.watch(['./less/*.less'], ['css']);
diff --git a/less/_00-config.less b/less/_00-config.less
index 9a3bd7a..286a14b 100644
--- a/less/_00-config.less
+++ b/less/_00-config.less
@@ -1,5 +1,5 @@
 /*!
-* www.KNACSS.com V4.4.1 (22 décembre 2015) @author: Raphael Goetter, Alsacreations
+* www.KNACSS.com V4.4.2 (24 décembre 2015) @author: Raphael Goetter, Alsacreations
 * Licence WTFPL http://www.wtfpl.net/
 */
 
diff --git a/less/_03-grids.less b/less/_03-grids.less
index c0076a1..2129b11 100644
--- a/less/_03-grids.less
+++ b/less/_03-grids.less
@@ -1,5 +1,5 @@
 /* ---------------------------------- */
-/* ==Grids                            */
+/* ==Grillade                         */
 /* ---------------------------------- */
 
 // Tuto : http://www.alsacreations.com/tuto/lire/1659-une-grille-responsive-avec-flexbox-et-LESS.html
diff --git a/package.json b/package.json
index 75ee6c8..e313b0a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "knacss",
-  "version": "4.4.1",
+  "version": "4.4.2",
   "homepage": "http://www.knacss.com/",
   "bugs": "https://github.com/raphaelgoetter/KNACSS/issues",
   "author": [
diff --git a/sass/_00-config.scss b/sass/_00-config.scss
index 1f89249..0b5c9c5 100644
--- a/sass/_00-config.scss
+++ b/sass/_00-config.scss
@@ -1,5 +1,5 @@
 /*!
-* www.KNACSS.com V4.4.1 (22 décembre 2015) @author: Raphael Goetter, Alsacreations
+* www.KNACSS.com V4.4.2 (24 décembre 2015) @author: Raphael Goetter, Alsacreations
 * Licence WTFPL http://www.wtfpl.net/
 */
 
diff --git a/sass/_03-grids.scss b/sass/_03-grids.scss
index 85d1618..746e537 100644
--- a/sass/_03-grids.scss
+++ b/sass/_03-grids.scss
@@ -1,5 +1,5 @@
 /* ---------------------------------- */
-/* ==Grids                            */
+/* ==Grillade                         */
 /* ---------------------------------- */
 
 // Tuto : http://www.alsacreations.com/tuto/lire/1659-une-grille-responsive-avec-flexbox-et-LESS.html
diff --git a/sass/knacss.css b/sass/knacss.css
index 5452964..4a327d9 100644
--- a/sass/knacss.css
+++ b/sass/knacss.css
@@ -1,6 +1,6 @@
 @charset "UTF-8";
 /*!
-* www.KNACSS.com V4.4.1 (22 décembre 2015) @author: Raphael Goetter, Alsacreations
+* www.KNACSS.com V4.4.2 (24 décembre 2015) @author: Raphael Goetter, Alsacreations
 * Licence WTFPL http://www.wtfpl.net/
 */
 /*! normalize.css v3.0.2 | MIT License | github.com/necolas/normalize.css */
@@ -734,7 +734,7 @@ http://www.alsacreations.com/tuto/lire/1493-css3-flexbox-layout-module.html
   margin: auto; }
 
 /* ---------------------------------- */
-/* ==Grids                            */
+/* ==Grillade                         */
 /* ---------------------------------- */
 /* grid container */
 /* line 20, /Users/raphael/Documents/GitHub/KNACSS/sass/_03-grids.scss */