Cant put link to image dont know why

So, I have a site where i have an image at the top. The image is called with css and i dont know how to make a link to the main page.

Heres the code of the image in css:

Heres the code of the header.php

The url is www.solotecno.net

So, how to i make the header image a link to the main site?

Thanks, fuser

 

why don't you link the div?

<a href="#>
<div id="header">
<div id="header_left">
</div>
<div id="header_right">
<div id="subscribe">
</div>
</div>
<div style="clear:both;"></div>
</div>
</a>

Code (markup):

 

is the header image hosted?
check your tags, elements, you might be missing a closing tag.
double check your codes