body {
    font-size: 2vw;
}

.person {
    text-align: center;
}

td.person.morning.now {
    border-left: 5px solid white;
    border-top: 5px solid white;
    border-bottom: 5px solid white;
}

td.person.afternoon.now {
    border-top: 5px solid white;
    border-bottom: 5px solid white;
}

td.person.dayOff.now {
    border-right: 5px solid white;
    border-top: 5px solid white;
    border-bottom: 5px solid white;
}

td.person.conflict {
    color: red;
    text-decoration: underline;
}