Added offset and equal height features

Author: UnderlineWords

README.md

@@ -1,5 +1,5 @@
 # Grider
-***Grider*** is a simple enough and fully customizable SCSS-based grid generator. Create your own responsive CSS grid system easily.
+***Grider*** is a simple enough and fully customizable SCSS-based grid generator. Create your own responsive CSS grid system easily with offset and equal height features.
 
 [![GitHub license](https://img.shields.io/github/license/codeforms/Grider)](https://github.com/codeforms/Grider/blob/master/LICENSE)
 ![GitHub release (latest by date)](https://img.shields.io/github/v/release/codeforms/Grider)

grider.scss

@@ -12,6 +12,7 @@
 	$container-name: 'container';
 	$column-name: 'col';
 	$offset: 'offset';
+	$equal: 'equal';
 
 /*** CONTAINER ***/
 	$container-width: 97%;
@@ -61,7 +62,14 @@
 	[class^="#{$column-name}"] {
 		float: left;
 		padding: $column-padding;
+		height: 100%;
 		min-height: $column-min-height;
+		flex-direction: column;
+	}
+	&.#{$equal} {
+		[class^="#{$column-name}"] {
+			height: auto;
+		}
 	}
 	@for $i from 1 through $grid {
 		.#{$column-name}-#{$i} {