@charset "utf-8";
/* CSS Document */
html,body{margin:0; padding:0; overflow:hidden; height:100%; background:#000000; text-align:center; vertical-align:middle;}
#image_container{display:flex; align-items:center; width:100%; height:100%;  text-align:center;}
.image-sec{width:100%; /*height:100%;*/ display:none; margin:0 auto;}
.image-sec.active{display:block;}