Design Studio:chart using gradient color and change border shape

[#1]

Hello,everyone.

I want to change the column of chart like the right buttom,change their color to gradient color,border to other type,can I realize it?

I've searched in SCN,but all of them false.

Design Studio 1.5-Bar Chart using gradient colors in a series axis

I've tried use this css to change color,it worked,but how to set linear-gradient color.Both border-radius and box-shadow are all worked in button,false in chart,how can I realize chart like button?

Waiting for your help!

Thanks.

Jing

 rect.v-datapoint.v-morphable-datapoint {
fill:red !important; 
stroke: #858585  !important; 
border-radius: 2px !important;
box-shadow: 1px 1px 0px orange !important;
}