#wrap {width:100%;margin:0 auto;position: relative;}
#showcase { width: 100%;height:620px;visibility: hidden;}
#showcase img { cursor:pointer;}
.nav { text-align: center;}
.nav > button { width:36px;height:36px;color:#fff;text-decoration: none; text-align: center;margin: 5px;background:rgb(249,182,47);border:solid 2px rgba(0, 0, 0, 0.4); -webkit-border-radius: 35px; -moz-border-radius:35px; border-radius:35px; -webkit-box-shadow: 0 0 9px 1px rgba(0, 0, 0, 0.4); -moz-box-shadow: 0 0 9px 1px rgba(0, 0, 0, 0.4); box-shadow: 0 0 9px 1px rgba(0, 0, 0, 0.4); cursor: pointer;outline:none;}
.nav > button:active, .nav > button.down { background: #dfdfdf; border: solid 2px rgba(0, 0, 0, 0.6); box-shadow: none;}