.button-vg-known {
    background-color: #33a936;
    color: black;
    opacity: .7;
    border: solid 2px white;
    box-sizing: border-box;
}

.button-vg-known:hover {
    background-color: #33a936;
    opacity: 1;
    color: white;
}

.button-vg-unknown {
    background-color: #b8d418;
    color: black;
    opacity: .7;
    border: solid 2px white;
    box-sizing: border-box;
}

.button-vg-unknown:hover {
    background-color: #b8d418;
    opacity: 1;
    color: white;
}