body,html{height:100%}body{background:#000;overflow:hidden}nav{background:#ccc}nav ul{margin:0;padding:0;list-style-type:none}nav li{display:inline-block}nav a{display:block;text-align:center;padding:14px 22px;font-size:1.2em;color:#222}nav a:focus,nav a:hover{background:#aaa;text-decoration:none;transition:all .2s}#map{height:inherit}.ol-control button{background-color:rgba(0,0,0,.5)!important}.ol-control button:hover{cursor:pointer}