Metto anche l'Header.php completo. Così vediamo se arriviamo a che manca.
codice:
<!doctype html>
<!-- paulirish.com/2008/conditional-stylesheets-vs-css-hacks-answer-neither/ -->
<!--[if lt IE 7]> <html lang="en"> <![endif]-->
<!--[if IE 7]> <html lang="en"> <![endif]-->
<!--[if IE 8]> <html lang="en"> <![endif]-->
<!--[if gt IE 8]><!--> <html lang="en"> <!--<![endif]-->
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<title><?php wp_title(''); ?></title>
<meta name="description" content="">
<meta name="author" content="">
<meta name="viewport" content="width=device-width,initial-scale=1">
<link rel="alternate" type="application/rss+xml" title="Probabilità e sicurezza » Feed" href="http://www.laugher.it/?feed=rss2" />
<link rel="alternate" type="application/rss+xml" title="Probabilità e sicurezza » Feed dei commenti" href="http://www.laugher.it/?feed=comments-rss2" />
<link rel="profile" href="http://gmpg.org/xfn/11" />
<link rel="stylesheet" type="text/css" media="all" href="<?php bloginfo( 'stylesheet_url' ); ?>" />
<link rel="pingback" href="<?php bloginfo( 'pingback_url' ); ?>" />
<?php
/* We add some JavaScript to pages with the comment form
* to support sites with threaded comments (when in use).
*/
if ( is_singular() && get_option( 'thread_comments' ) )
wp_enqueue_script( 'comment-reply' );
/* Always have wp_head() just before the closing </head>
* tag of your theme, or you will break many plugins, which
* generally use this hook to add elements to <head> such
* as styles, scripts, and meta tags.
*/
wp_head();
?>
</head>
<body> <div id="container">
<?php $opzioni = get_option( 'opt_impostazioni_tema' ); ?>
<header id="masthead" class="site-header" role="banner">
<a class="home-link" href="<?php echo esc_url( home_url( '/' ) ); ?>" title="<?php echo esc_attr( get_bloginfo( 'name', 'display' ) ); ?>" rel="home">
<h1 class="site-title"><?php bloginfo( 'name' ); ?></h1>
<h2 class="site-description"><?php bloginfo( 'description' ); ?></h2>
</a>
</header>
<!-- Fine Header -->
Potrebbe anche essere un problema nel file css dato che ho modificato anche quello a scopo didattico.