.reference-item{text-align:center;margin-top:10px;margin-bottom:20px;font-size:15px}a.reference-item-btn{padding:15px 10px;color:#777;white-space:nowrap;text-overflow:ellipsis;overflow:hidden;background:#eee;border-radius:5px;display:block;border:solid 1px #eee}a.reference-item-btn:hover{background:#fff;color:#444;border:solid 1px #eee}a.reference-item-btn img{margin-bottom:4px;width:72px}@media screen and (max-width: 767px){.reference-items{margin-bottom:40px}}@media screen and (max-width: 414px){.reference-items{margin-left:-10px;margin-right:-10px}.reference-item{padding-right:10px;padding-left:10px;margin-bottom:20px}}