I am using a standalone bokeh html document and it has various tabs, in one of the tabs is a DataTable.
I recently changed the background colour of the HTML to black and lost the text in the header columns, I would now like to change the colour of the text and or background colour to make them visible again.
I am using HTMLTemplateFormatter to colour individual columns no problem but cannot find a way to format the header, can anyone help me here?
Thanks
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