.ep_imgbox{ margin-top:20px;}
.ep_imgbox li{ display: inline-block; list-style: none;}
@media print,screen and (min-width:960px){
.ep_imgbox li:not(.list1){ margin-left: 20px;}
.ep_imgbox li img{ width:387px;}
}
@media print,screen and (max-width:959px){
.ep_imgbox li:not(.list1){ margin-top: 10px;}
.ep_imgbox li img{ width:100%;}
}