Matrix First Row color change

Hi ChiragGarg2512 , seems i dint find that option working to give the color coding to the specific mentioned row. 

Hi, 

I have built matrix visualization, I need to change the only highlighted row into grey color. Total walmart is a Calculated column which has Static column

Column name = "TOTAL WALMART".
can you please help me out to apply the Grey color as the background color only to that highlighted row.

conditional formatting changing the whole color for TOTAL WALMART, MEALS BEVERAGE AND SNACKS, but only total walmart needs to changes.

Any dax suggestion or any other option

Please help me out with the solution.