.ss_ad_center{text-align:center; margin:50px 0px 75px 0px;}
.ss_ad_left{text-align:left; margin:50px 0px 75px 0px;}
.ss_ad_right{text-align:right; margin:50px 0px 75px 0px;}
.mb_ver{display:none;}

@media all and (max-width:870px){
.pc_ver{display:none;}
.mb_ver{display:block;}
}