.ol-popup {
        position: absolute;
        background-color: white;
        -webkit-filter: drop-shadow(0 1px 4px rgba(0,0,0,0.2));
        filter: drop-shadow(0 1px 4px rgba(0,0,0,0.2));
        padding: 15px;
        border-radius: 10px;
        border: 1px solid #cccccc;
        bottom: 12px;
        left: -50px;
        /*min-width: 280px;*/
        cursor:pointer;
        font-size: 130%;
        font-weight: bold;
      }
      .ol-popup h3{
        margin: 0;
      }
      .ol-popup:after, .ol-popup:before {
        top: 100%;
        border: solid transparent;
        content: " ";
        height: 0;
        width: 0;
        position: absolute;        
      }
      
      .ol-popup:after {
        border-top-color: white;
        border-width: 10px;
        left: 48px;
        margin-left: -10px;
      }
      .ol-popup:before {
        border-top-color: #cccccc;
        border-width: 11px;
        left: 48px;
        margin-left: -11px;
      }
      .ol-popup-closer {
        text-decoration: none;
        position: absolute;
        top: 2px;
        right: 0px;
      }
      .ol-popup-closer:after {
        content: "X";
        /*font-weight: bold;
        font-size:150%;*/
        color: whitesmoke;
        background: green;
        padding:2px;
        border-radius: 5px;
        margin-top: 2px;
      }
      #obst_sel{
        position: absolute;
        top: 1px;
        right: 1px;
        z-index: 10;
        background: whitesmoke;
        padding: 3px 6px;
        border-radius: 5px;
        /*border: 1px solid #999;*/
        box-shadow: 1px 1px 2px 0px #999;
        font-weight: bold;
        /*font-size: 120%;*/

     }
     .links{
        margin: 2px 0 8px 0;
     }
     .links a{
        text-decoration: none;
        color: green;
     }
     .links button{
        background:whitesmoke;
        padding: 2px ;
        margin-right:8px;
        border-radius: 4px;
        box-shadow: 1px 1px 2px 0px #999;
     }
    #map{
        position:relative;
    }