diff --git a/simple-grid.css b/simple-grid.css
index a1a6d6f..db56f7f 100644
--- a/simple-grid.css
+++ b/simple-grid.css
@@ -59,7 +59,7 @@ p {
 }
 
 .font-light {
-  font-weight: 200;
+  font-weight: 300;
 }
 
 .font-regular {
diff --git a/simple-grid.min.css b/simple-grid.min.css
index 8346438..92b9500 100644
--- a/simple-grid.min.css
+++ b/simple-grid.min.css
@@ -1 +1 @@
-@import url(https://fonts.googleapis.com/css?family=Lato:400,300,300italic,400italic,700,700italic);.font-light,p{font-weight:200}body,html{height:100%;width:100%;margin:0;padding:0;left:0;top:0;font-size:100%}*{font-family:Lato,Helvetica,sans-serif;color:#333447;line-height:1.5}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.375rem}h4{font-size:1.125rem}h5{font-size:1rem}h6{font-size:.875rem}p{font-size:1.125rem;line-height:1.8}.font-regular{font-weight:400}.font-heavy{font-weight:700}.left{text-align:left}.right{text-align:right}.center{text-align:center;margin:0 auto}.justify{text-align:justify}.container{width:90%;margin:0 auto}.row{position:relative;width:100%}.row [class^=col]{float:left;margin:.5rem 2%;min-height:.125rem}.col-1,.col-10,.col-11,.col-12,.col-2,.col-3,.col-4,.col-5,.col-6,.col-7,.col-8,.col-9{width:96%}.col-1-sm{width:4.33%}.col-2-sm{width:12.66%}.col-3-sm{width:21%}.col-4-sm{width:29.33%}.col-5-sm{width:37.66%}.col-6-sm{width:46%}.col-7-sm{width:54.33%}.col-8-sm{width:62.66%}.col-9-sm{width:71%}.col-10-sm{width:79.33%}.col-11-sm{width:87.66%}.col-12-sm{width:96%}.row::after{content:"";display:table;clear:both}.hidden-sm{display:none}@media only screen and (min-width:33.75em){.container{width:80%}}@media only screen and (min-width:45em){.col-1{width:4.33%}.col-2{width:12.66%}.col-3{width:21%}.col-4{width:29.33%}.col-5{width:37.66%}.col-6{width:46%}.col-7{width:54.33%}.col-8{width:62.66%}.col-9{width:71%}.col-10{width:79.33%}.col-11{width:87.66%}.col-12{width:96%}.hidden-sm{display:block}}@media only screen and (min-width:60em){.container{width:75%;max-width:60rem}}
+@import url(https://fonts.googleapis.com/css?family=Lato:400,300,300italic,400italic,700,700italic);body,html{height:100%;width:100%;margin:0;padding:0;left:0;top:0;font-size:100%}*{font-family:Lato,Helvetica,sans-serif;color:#333447;line-height:1.5}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.375rem}h4{font-size:1.125rem}h5{font-size:1rem}h6{font-size:.875rem}p{font-size:1.125rem;font-weight:200;line-height:1.8}.font-light{font-weight:300}.font-regular{font-weight:400}.font-heavy{font-weight:700}.left{text-align:left}.right{text-align:right}.center{text-align:center;margin:0 auto}.justify{text-align:justify}.container{width:90%;margin:0 auto}.row{position:relative;width:100%}.row [class^=col]{float:left;margin:.5rem 2%;min-height:.125rem}.col-1,.col-10,.col-11,.col-12,.col-2,.col-3,.col-4,.col-5,.col-6,.col-7,.col-8,.col-9{width:96%}.col-1-sm{width:4.33%}.col-2-sm{width:12.66%}.col-3-sm{width:21%}.col-4-sm{width:29.33%}.col-5-sm{width:37.66%}.col-6-sm{width:46%}.col-7-sm{width:54.33%}.col-8-sm{width:62.66%}.col-9-sm{width:71%}.col-10-sm{width:79.33%}.col-11-sm{width:87.66%}.col-12-sm{width:96%}.row::after{content:"";display:table;clear:both}.hidden-sm{display:none}@media only screen and (min-width:33.75em){.container{width:80%}}@media only screen and (min-width:45em){.col-1{width:4.33%}.col-2{width:12.66%}.col-3{width:21%}.col-4{width:29.33%}.col-5{width:37.66%}.col-6{width:46%}.col-7{width:54.33%}.col-8{width:62.66%}.col-9{width:71%}.col-10{width:79.33%}.col-11{width:87.66%}.col-12{width:96%}.hidden-sm{display:block}}@media only screen and (min-width:60em){.container{width:75%;max-width:60rem}}
diff --git a/simple-grid.scss b/simple-grid.scss
new file mode 100644
index 0000000..3a20ae8
--- /dev/null
+++ b/simple-grid.scss
@@ -0,0 +1,190 @@
+// SIMPLE GRID - SASS/SCSS
+
+@import url(https://fonts.googleapis.com/css?family=Lato:400,300,300italic,400italic,700,700italic);
+
+// fonts
+$font-family: 'Lato', Helvetica, sans-serif;
+$font-weight-light: 300;
+$font-weight-regular: 400;
+$font-weight-heavy: 700;
+$font-height: 1.5;
+
+// colors
+$dark-grey: #333447;
+$dark-gray: #333447; // for the Americans
+
+// universal
+
+html,
+body {
+  height: 100%;
+  width: 100%;
+  margin: 0;
+  padding: 0;
+  left: 0;
+  top: 0;
+  font-size: 100%;
+}
+
+* {
+  font-family: $font-family;
+  color: $dark-grey;
+  line-height: $font-height;
+}
+
+// typography
+
+h1 {
+  font-size: 2.5rem;
+}
+
+h2 {
+  font-size: 2rem;
+}
+
+h3 {
+  font-size: 1.375rem;
+}
+
+h4 {
+  font-size: 1.125rem;
+}
+
+h5 {
+  font-size: 1rem;
+}
+
+h6 {
+  font-size: 0.875rem;
+}
+
+p {
+  font-size: 1.125rem;
+  font-weight: 200;
+  line-height: 1.8;
+}
+
+.font-light {
+  font-weight: $font-weight-light;
+}
+
+.font-regular {
+  font-weight: $font-weight-regular;
+}
+
+.font-heavy {
+  font-weight: $font-weight-heavy;
+}
+
+// utility
+
+.left {
+  text-align: left;
+}
+
+.right {
+  text-align: right;
+}
+
+.center {
+  text-align: center;
+  margin: 0 auto;
+}
+
+.justify {
+  text-align: justify;
+}
+
+.hidden-sm {
+  display: none;
+}
+
+// grid
+
+$width: 96%;
+$gutter: 4%;
+$breakpoint-small: 33.75em; // 540px
+$breakpoint-med: 45em; // 720px
+$breakpoint-large: 60em; // 960px
+
+.container {
+  width: 90%;
+  margin: 0 auto;
+}
+
+.row {
+  position: relative;
+  width: 100%;
+}
+
+.row [class^="col"] {
+  float: left;
+  margin: 0.5rem 2%;
+  min-height: 0.125rem;
+}
+
+.row::after {
+	content: "";
+	display: table;
+	clear: both;
+}
+
+.col-1,
+.col-2,
+.col-3,
+.col-4,
+.col-5,
+.col-6,
+.col-7,
+.col-8,
+.col-9,
+.col-10,
+.col-11,
+.col-12 {
+  width: $width;
+}
+
+.col-1-sm { width:($width / 12) - ($gutter * 11 / 12); }
+.col-2-sm { width: ($width / 6) - ($gutter * 10 / 12); }
+.col-3-sm { width: ($width / 4) - ($gutter * 9 / 12); }
+.col-4-sm { width: ($width / 3) - ($gutter * 8 / 12); }
+.col-5-sm { width: ($width / (12 / 5)) - ($gutter * 7 / 12); }
+.col-6-sm { width: ($width / 2) - ($gutter * 6 / 12); }
+.col-7-sm { width: ($width / (12 / 7)) - ($gutter * 5 / 12); }
+.col-8-sm { width: ($width / (12 / 8)) - ($gutter * 4 / 12); }
+.col-9-sm { width: ($width / (12 / 9)) - ($gutter * 3 / 12); }
+.col-10-sm { width: ($width / (12 / 10)) - ($gutter * 2 / 12); }
+.col-11-sm { width: ($width / (12 / 11)) - ($gutter * 1 / 12); }
+.col-12-sm { width: $width; }
+
+@media only screen and (min-width: $breakpoint-small) {
+  .container {
+    width: 80%;
+  }
+}
+
+@media only screen and (min-width: $breakpoint-med) {
+  .col-1 { width:($width / 12) - ($gutter * 11 / 12); }
+  .col-2 { width: ($width / 6) - ($gutter * 10 / 12); }
+  .col-3 { width: ($width / 4) - ($gutter * 9 / 12); }
+  .col-4 { width: ($width / 3) - ($gutter * 8 / 12); }
+  .col-5 { width: ($width / (12 / 5)) - ($gutter * 7 / 12); }
+  .col-6 { width: ($width / 2) - ($gutter * 6 / 12); }
+  .col-7 { width: ($width / (12 / 7)) - ($gutter * 5 / 12); }
+  .col-8 { width: ($width / (12 / 8)) - ($gutter * 4 / 12); }
+  .col-9 { width: ($width / (12 / 9)) - ($gutter * 3 / 12); }
+  .col-10 { width: ($width / (12 / 10)) - ($gutter * 2 / 12); }
+  .col-11 { width: ($width / (12 / 11)) - ($gutter * 1 / 12); }
+  .col-12 { width: $width; }
+
+  .hidden-sm {
+    display: block;
+  }
+}
+
+@media only screen and (min-width: $breakpoint-large) {
+  .container {
+    width: 75%;
+    max-width: 60rem;
+  }
+}