Design Studio KPI View Style

Hello All,

I am using KPI view from SCN open source in design studio 1.5 and trying to change font-family, size and color using custom CSS.

.titleValue{

font-family: open-sans;

font-size: 20px;

color: #757575

}

and making below setting change in shown below. (CSS Class set to titleValue). But its not working.

Am I missing any steps here?