function hm_Button( $atts, $content = null ) {

   extract( shortcode_atts( array(
      'link' => '#',
	  'target' => '',
	  'type' => 'yellow'
      ), $atts ) );

	if ($rounded=="yes") { $rounded = "rounded"; } else { $rounded = " "; }

	if ($target=="_blank") { $target=' target="_blank"'; }
	$color_button = '<a class="button' .$rounded. ' ' . $type . '" href="'.$link.'"' . $target . '>' . trim($content) . '</a>';

   return $color_button;
}
add_shortcode('cbutton', 'hmButton');