jQuery LinearGauge - rangeContainer.width
If you need the LinearGauge widget range container to be rectangular, set the width of its start/end boundary for this property. If you need the range container to be triangular, assign an object to the width property. Set 0 to the start/end property of the width object and the required numeric value to the width object's end/start property. If you need the range container to be trapezoid, set the required values to the start and end properties of the width object.