Vertical gradients now can have percentages passed in as arguments to allow...

Vertical gradients now can have percentages passed in as arguments to allow finer control over the backgrounds it produces

less/mixins.less

@@ -255,12 +255,12 @@
     background-repeat: repeat-x;
     filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=1)",argb(@startColor),argb(@endColor))); // IE9 and down
   }
-  .vertical(@startColor: #555, @endColor: #333) {
+  .vertical(@startColor: #555, @endColor: #333, @startPercent: 0%, @endPercent: 100%) {
     background-color: @endColor;
-    background-image: -webkit-gradient(linear, 0 0, 0 100%, from(@startColor), to(@endColor)); // Safari 4+, Chrome 2+
-    background-image: -webkit-linear-gradient(top, @startColor, @endColor); // Safari 5.1+, Chrome 10+
-    background-image: -moz-linear-gradient(top, @startColor, @endColor); // FF 3.6+
-    background-image: linear-gradient(to bottom, @startColor, @endColor); // Standard, IE10
+	background-image: -webkit-gradient(linear, 0 @startPercent, 0 @endPercent, from(@startColor), to(@endColor)); // Safari 4+, Chrome 2+
+	background-image: -webkit-linear-gradient(top, @startColor, @startPercent, @endColor, @endPercent); // Safari 5.1+, Chrome 10+
+    background-image: -moz-linear-gradient(top, @startColor @startPercent, @endColor @endPercent); // FF 3.6+
+    background-image: linear-gradient(to bottom, @startColor @startPercent, @endColor @endPercent); // Standard, IE10
     background-repeat: repeat-x;
     filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=0)",argb(@startColor),argb(@endColor))); // IE9 and down
   }