soulrider911

@mixin background-image-retina($file, $type, $width, $height) {
  background-image: url($file + '.' + $type);

  @media (-webkit-min-device-pixel-ratio: 2), (-moz-min-device-pixel-ratio: 2) {
    & {
      background-image: url($file + '@2x.' + $type);
      -webkit-background-size: $width $height;
    }
  }
}

soulrider911

add_theme_support('menus');

/*
http://codex.wordpress.org/Function_Reference/register_nav_menus#Examples
*/
register_nav_menus(array(
    'top-bar-l' => 'Left Top Bar', // registers the menu in the WordPress admin menu editor
    'top-bar-r' => 'Right Top Bar'
));