<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteRule ^index.php$ - [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /index.php [L]
</IfModule>

register_taxonomy( 'video_type',
    array ( 0 => 'video' ),
    array(
        'hierarchical'    => true,
        'label'           => 'Type',
        'show_ui'         => true,
        'query_var'       => true,
        'rewrite'         => array( 'slug' => '' ),
        'singular_label'  => 'video_type'