How to customize colour for micro chart in webi for ipad

Hi Everyone,

As per new SAP BI application 5.0.x we can customize colour for spark line, area, and micro chart. Can any one explain me how to customize colour for microchart.

I have changed report block name to ;mbc_type_Trend_c_2_13 and 'm able to see bar type microchart on ipad but all rows are showing of same colour.

Desired output:

Regards

Shabnam