.customoverlay {position:absolute;bottom:47px;transform: translateX(-49%);border-radius:6px;border: 1px solid #ccc;border-bottom:2px solid #ddd;background:#fff;border-radius:6px;float:left;}
.customoverlay:nth-of-type(n) {border:0; box-shadow:0px 1px 2px #888;}
.customoverlay .title {display:block;text-align:center;background:#fff;border-radius:6px;padding:3px 13px;font-size:14px;font-weight:bold;}
.customoverlay:after {content:'';position:absolute;margin-left:-12px;left:50%;bottom:-12px;width:22px;height:12px;background:url('https://t1.daumcdn.net/localimg/localimages/07/mapapidoc/vertex_white.png')}
.customoverlay .img {display:block;height:75px;text-align:center;padding:10px 15px 0px 15px;font-size:14px;font-weight:bold;overflow: hidden;}