How to make a block higer?

I like the block with the worldmap, but it's very with and not high enough.
How to make it higher? 

what do you mean not high enough?

is the world map not fully showing?? maybe zoom factor  or that your page height blocks the height of map block.

Do you use custom template? provide url or example please 

You can find the css for this in the main.css file in modules/boonex/world_map/templates/base/css/

look for things like:

- .bx_wmap_form_map

- .bx_wmap_homepage

- .bx_wmap_homepage .bx_wmap_loading

- .bx_wmap_homepage_part

- And more...