Required library edition:
Required library file: dhtmlxgrid.js

modify default style of grid and its elements. Call before or after Init

• ss_header - style def. expression for header
• ss_grid - style def. expression for grid cells
• ss_selCell - style def. expression for selected cell
• ss_selRow - style def. expression for selected Row

   mygrid.setStyle("background-color:navy;color:white; font-weight:bold;", "","color:red;", "");

See also: setSkin, setRowTextStyle, setCellTextStyle, enableAlterCss