CSS not working

<head>
<meta charset="<?php bloginfo( 'charset' ); ?>" />
<title><?php
	/*
	 * Print the <title> tag based on what is being viewed.
	 */
	global $page, $paged;

	wp_title( '|', true, 'right' );

	// Add the blog name.
	bloginfo( 'name' );

	// Add the blog description for the home/front page.
	$site_description = get_bloginfo( 'description', 'display' );
	if ( $site_description && ( is_home() || is_front_page() ) )
		echo " | $site_description";

	// Add a page number if necessary:
	if ( $paged >= 2 || $page >= 2 )
		echo ' | ' . sprintf( __( 'Page %s', 'twentyten' ), max( $paged, $page ) );

	?></title>
<link rel="profile" href="http://gmpg.org/xfn/11" />
<link rel="stylesheet" href="<?php echo get_stylesheet_uri(); ?>" type="text/css" media="all" />
<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>

<!-- START WP HEADER -->
 <div class="container">
 <div id="header">
   <ul id="menu">
    <li><a href="">Home</a></li>
    <li><a href="">Blog</a></li>
    <li><a href="">About</a></li>
   </ul>

   <div id="logo">
    <h1>Adam Goss</h1>
    <small>Vancouver Realty at its best</small>
   </div><!-- close logo -->

  </div><!-- close header -->
 <div id="jscriptslider"><img src="images/happyfamily300.jpg" />
 </div><!-- close jscriptslider -->
 <!-- END WP HEADER -->