style.css'de .sf_left 'i bulup width değerini 740 px yap. Yüksekliği kendine göre belirlersin.
Sonra da header.php dosyanı aşağıdakilerle değiştir;
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head profile="http://gmpg.org/xfn/11">
<meta http-equiv="Content-Type" content="<?php bloginfo('html_type'); ?>; charset=<?php bloginfo('charset'); ?>" />
<title><?php bloginfo('name'); ?> <?php if ( is_single() ) { ?> » Blog Archive <?php } ?> <?php wp_title(); ?></title>
<meta name="generator" content="WordPress <?php bloginfo('version'); ?>" /> <!-- leave this for stats -->
<link rel="stylesheet" href="<?php bloginfo('stylesheet_url'); ?>" type="text/css" media="screen" />
<link rel="alternate" type="application/rss+xml" title="RSS 2.0" href="<?php bloginfo('rss2_url'); ?>" />
<link rel="alternate" type="text/xml" title="RSS .92" href="<?php bloginfo('rss_url'); ?>" />
<link rel="alternate" type="application/atom+xml" title="Atom 0.3" href="<?php bloginfo('atom_url'); ?>" />
<link rel="pingback" href="<?php bloginfo('pingback_url'); ?>" />
<?php wp_get_archives('type=monthly&format=link'); ?>
<?php wp_head(); ?>
</head>
<body>
<div class="content">
<div class="header_top"></div>
<div class="header">
<div class="sf_left">
<h3><a href="<?php echo get_settings('home'); ?>/"><?php bloginfo('name'); ?></a></h3>
</div>
</div>
<div class="header_bottom"></div>
<div class="subheader">
</div>
<div class="header_top"></div>Olması lazım.