.ol-tooltip {
    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: 10px;
    border-radius: 10px;
    border: 1px solid #cccccc;
    bottom: 50px;
    left: -50px;
    min-width: 170px;
  }
  .ol-tooltip:after, .ol-tooltip:before {
    top: 100%;
    border: solid transparent;
    content: " ";
    height: 0;
    width: 0;
    position: absolute;
    pointer-events: none;
  }
  .ol-tooltip:after {
    border-top-color: white;
    border-width: 10px;
    left: 48px;
    margin-left: -10px;
  }
  .ol-tooltip:before {
    border-top-color: #cccccc;
    border-width: 11px;
    left: 48px;
    margin-left: -11px;
  }
   .ol-tooltip p {
     margin-top: 0;
     margin-bottom: 0;
   }
   #mapaLineaCero{
    position: relative;float: left;width:100%;height: 450px;
   }
   #cajaBotonesMapa{
    top:65px;left:1rem;z-index:9999;position:absolute;
   }