Maxwell

Hello, how can I reduce header image size? URL: http://vyroportalas.lt, also it’s really big space between facebook letter f and image, how to reduce this one too?

Please How do I remove powered by wordpress on my Maxwell theme footer. below is who the theme footer looks

<?php
/**
* The template for displaying the footer.
*
* Contains all content after the main content area and sidebar
*
* @package Maxwell
*/

?>

</div><!– #content –>

<?php do_action( ‘maxwell_before_footer’ ); ?>

<div id=”footer” class=”footer-wrap”>

<footer id=”colophon” class=”site-footer container clearfix” role=”contentinfo”>

<div id=”footer-text” class=”site-info”>
<?php do_action( ‘maxwell_footer_text’ ); ?>
</div><!– .site-info –>

<?php do_action( ‘maxwell_footer_menu’ ); ?>

</footer><!– #colophon –>

</div>

</div><!– #page –>

<?php wp_footer(); ?>

</body>
</html>