.territoryDiv {
    display: grid;
}
.holder{
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;

    /* part of the IE11 grid fix */
    display: -ms-grid;
    -ms-grid-columns: 1fr 1fr 1fr;
}

p.territoryLabel{
    font-size: 1.5em;
}