'center', 'thumbWidth' => '18em', 'thumbHeight' => '15em', 'thumbMargin' => '.6em', 'thumbBorder' => '.1em', 'thumbOpacity' => '.7', 'thumbBorderColor' => 'rgba(221, 221, 221, 1)', 'thumbRadius' => '5px', 'thumbShadows' => '1px 1px 5px', 'legendHeight' => '.375em', 'legendAlign' => 'center', 'legendTextColor' => 'rgba(255, 255, 255, 1)', 'legendBgColor' => 'rgba(0, 0, 0, .6)' ]; }