         else
         # alternative brush
             @gBrush.selectAll('rect')
-                .attr('height', 6)
-                .attr('y', "#{@options.height + 6}")
+                .attr('height', 4)
+                .attr('y', "#{@options.height + 4}")
 
             @gBrush.selectAll('.resize').append('circle')
                 .attr('class', 'handle-circle')

        @svg.append('g')
            .attr('class', 'mainaxis')
            .call(@axis.x)

        # translate the main x axis
        d3.select(@element).select('g.mainaxis .domain')

                .attr('cursor', 'ew-resize')
                .attr('r', 8)
                .attr('cx', 0)
                .attr('cy', @options.height + 6)

        if @brushTooltip
            # setup hover events on brush
