html,
body {

    margin:0;

    padding:0;

    height:100%;

    font-family:
    Arial, sans-serif;

}


header {

    height:50px;

    text-align:center;

}


h1 {

    font-size:22px;

    margin:10px;

}


#status {

    padding:10px;

    background:#eee;

}


#info {

    padding:10px;

    font-size:14px;

}


#map {

    height:
    calc(100% - 130px);

}