How tot color a block of cells with a condtional format

How tot color a block of cells with a condtional format

I would like te automatical color en block of cells (for instance B5 to D8) when in one of the cells a name apears.
I have tried tot celect the block an formulate the conditi0on but a best one cells colors.
What is the right formula or is in not possible in Zoho spreadsheet?
I have tried text contains end trhe formula´s =$B$5="dave" and =$B$5=dave