Change header height

How can we change header hight and add more space to it? It seems that all elements are absolutely positioned and thus are very hard to customize.

Hi,
check these articles
docs.dhtmlx.com/scheduler/scheduler_markup.html
docs.dhtmlx.com/scheduler/api__s … other.html

sample:
docs.dhtmlx.com/scheduler/snippet/d9608c0b

Thanks!!