.nav-btn{background-color:#008a2a;border:1px solid #008a2a;border-radius:50% 50%;box-shadow:1px 1px 5px rgba(0,0,0,.5);color:#fff;height:40px;opacity:.9;position:absolute;top:50%;transform:translateY(-50%);width:40px}.prev-btn{left:10px}.next-btn{right:10px}