hs.align = 'center';
hs.transitions = ['expand', 'crossfade'];
hs.wrapperClassName = 'light';
hs.outlineType = 'rounded-white';
hs.fadeInOut = true;
hs.dimmingOpacity = 0.75;

hs.registerOverlay({
   html: '<div class="closebutton" onclick="return hs.close(this)" title="Close"></div>',
   position: 'top right',
   fade: 2
});