html,
body{

    margin:0;

    padding:0;

    width:100%;

    height:100%;

    overflow:hidden;

    font-family:Arial;

}

#toolbar{

    height:50px;

    background:#f4f4f4;

    border-bottom:1px solid #DDD;

    display:flex;

    justify-content:space-between;

    align-items:center;

    padding-left:15px;

    padding-right:15px;

}

#map{

    width:100%;

    height:calc(100% - 50px);

}

button{

    padding:8px 18px;

    cursor:pointer;

}