Dater; Basic grid responsive; Local formatting

src/scss/global/_variables.scss

@@ -42,4 +42,12 @@ $red: #cf2d2d;
 @mixin blur( $size: 10px ) {
 	-webkit-filter: blur( $size );
 	filter: blur( $size );
-}
+}
+
+@mixin responsive( $width ){
+	@media (max-width: $width){ 
+		@content;
+	}
+}
+
+