how to change height of header

[ziuma]

hello,

i use duende theme. how to change height of this header like this picture



anyone can help me please. iAndrew help me 

thank you

[MrBrechreiz]

This is your background image -> http://cdn.ziuma.com/images/duende/hdbg1.jpg

[ziuma]

yes this is my background image
just change this images?

or i must change css of this theme?

[MrBrechreiz]

You must change this images.

[Ashley1]

Add margin-top:20px; OR padding-top:20px; to the CSS

Edit: If it's an image background you may not be able to change it with CSS

[ziuma]

thank you
i try to change this images

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change images size can't soved this problem