WP functions-xx.php init setup

functions-xx.php

// Remove specific menus from WP backend
function remove_menus () {
    global $menu;
	$restricted = array(__('Posts'),__('Comments'),__('Links'),__('Media')); // Can be whatever you want
	end ($menu);
	while ( prev($menu) ) {
	    $value = explode( ' ',$menu[key($menu)][0] );
		if ( in_array($value[0] != NULL?$value[0]:"" , $restricted) ) { 
		    unset( $menu[key($menu)] );
        }
	}
}
add_action('admin_menu', 'remove_menus');

// Remove WP login image
function change_my_wp_login_image() {
    echo "
    <style type='text/css'>
    body.login #login h1 a {
	    display: none
    }
    </style>
    ";
}
add_action('login_head', 'change_my_wp_login_image');

// Remove admin bar, always
function fb_move_admin_bar() {
    echo "
    <style type='text/css'>
    #adminmenu a.menu-top, #adminmenu .wp-submenu-head {
	    padding-right: 20px;
    }
    </style>
    ";
}
add_action( 'admin_head', 'fb_move_admin_bar' );
add_action( 'wp_head', 'fb_move_admin_bar' );