There is another way, than doing that through CSS. You can use afterGetColHeader hook to apply text or HTML element in the column headers, like here: https://jsfiddle.net/handsoncode/brextz3j/
There is another way, than doing that through CSS. You can use afterGetColHeader hook to apply text or HTML element in the column headers, like here: https://jsfiddle.net/handsoncode/brextz3j/