fixed custom step. Added in hover variation.

src/definitions/modules/range.js

@@ -108,7 +108,7 @@ $.fn.range = function(parameters) {
 					var
             ratio = (currentPos - startPos) / (endPos - startPos),
 					  range = settings.max - settings.min,
-					  difference = Math.round((ratio * range / step) * step)
+					  difference = Math.round(ratio * range / step) * step
           ;
 					// Use precision to avoid ugly Javascript floating point rounding issues
 					// (like 35 * .01 = 0.35000000000000003)

src/definitions/modules/range.less

@@ -98,6 +98,20 @@
            Variations
 *******************************/
 
+/*--------------
+    Hover
+---------------*/
+
+.ui.hover.range .inner .thumb {
+  opacity: @hoverVarOpacity;
+  transition: @hoverOpacityTransition;
+}
+
+.ui.hover.range .inner:hover .thumb {
+  opacity: @hoverVarHoverOpacity;
+}
+
+
 
 /*--------------
     Inverted

src/themes/default/modules/range.variables

@@ -49,6 +49,12 @@
       Variations
 --------------------*/
 
+/* Hover */
+@hoverVarOpacity                 : 0;
+@hoverVarHoverOpacity            : 1;
+@hoverOpacityTransitionDuration  : 0.2s;
+@hoverOpacityTransition          : opacity @hoverOpacityTransitionDuration linear;
+
 /* Sizing */
 @smallHeight            : 1em;
 @smallTrackHeight       : 0.3em;