.red {
    background-color: red;
    color: white;
}

.short {
    height: 300px;
    width: 200px;
}

.tall {
    height: 400px;
    width: 200px;
}

.td_bottom {
    vertical-align: bottom;
}

.th_height {
    height: 100px;
}

.td_2 {
    height: 100px;
    vertical-align: top;
}

.td_1 {
    height: 100px;
    vertical-align: bottom;
}

.center {
    text-align: center;
}

td,
th {
    border-width: 1px;
    border-color: grey;
    border-style: solid;
}