body {
    font-family:verdana;
    font-size:11px;
}

#container {
    height:calc(100vh - 10px);
    overflow:auto;
    border:0px dashed gray;
}

.countryTable {
    border-collapse:collapse;
}

.countryTable td, .countryTable th {
    border:1px solid gray;
    padding:3px 5px;
}