How can i widen search box?

i added a search site branding. and i want to set width …
how can do it ? please help…

site link…
http://fabrika-satis.com/wp2/

i used shortcode down site branding …

<?php theshop_branding(); ?>
</div><!-- .site-branding -->
<?php echo do_shortcode(’[aws_search_form]’); ?>

solved. thank you everything. i solved everything but there is one problem with a plugin.
i asked plugin developer and i wait answer. if he dont interest can you look it. very simple for you ???

Hi,

Ok, Great! I’m glad it’s resolved! If you need help with anything else, please open a new topic.

Have a nice day!

Best Regards,
Csaba