Viewing full-size image

Hi.
I recently installed your plugin and tested it.
I found when I clicked the image, the popped up (perhaps) modal always contained re-sized image relatively to the screen size. Is there any way to view full-size image always?

You can check the problem here:
http://kakismin.dothome.co.kr/wordpress/?page_id=112

Thanks in advance.

https://ww.wp.xz.cn/plugins/easy-media-gallery/