@import url('https://fonts.googleapis.com/css?family=Orbitron');
        .signal_rx{
            font-family: 'Orbitron', sans-serif;
            color: #00ff00;
            font-size: 40px;
            text-align: right;
            margin:2px;
        }
        .signal_tx{
            font-family: 'Orbitron', sans-serif;
            color: #FFFF00;
            font-size: 14px;
            text-align: right;
            margin:2px;
        }
        .distance{
            font-family: 'Orbitron', sans-serif;
            color: #0000FF;
            font-size: 14px;
            text-align: right;
            margin:2px;
        }

        .lmac {
            margin-left:10px;
            
            overflow:auto;
            overflow-y:auto;
            height:87%;
            width:350px;
            color: #66ff99;
            text-align: left;
            color: white;
            
                    }
        .btn_title{ 
            font-family: 'Orbitron', sans-serif;
            color: #66ff99;
            font-size: 14px;
            font-weight: bold;
            text-align: left;
            color:yellow;
            margin-left:5px;
            width:100%;
        }
        .btn {
            font-family: 'Orbitron', sans-serif;
            color: #66ff99;
            font-size: 14px;
            font-weight: bold;
            text-align: left;
            background-color:mediumblue;
            color: white;
            width:100%;
            height: 30px;
            
            border-radius: 2px;
            border:none;          
            
          
            cursor: pointer;
        }
        .td{
            width:100%;
            height:100%;
        }
        .tbl {
            width: 100%;
            height: 100%;
            background-color:black;
       
            
        }
        body{
            background-color: midnightblue;
            height:100%;
            width:100%;
            overflow: hidden;
            margin: 0px;
            
        }


          html { min-height: 100%;
            height: 100%;
            width:100%;
            margin: 0px;
         }