body {
    color: white;
}

label {
    display: inline-block;
    width: 140px;
    text-align: right;
}​

.grid_row {
    background-color: cadetblue;
}

.grid_cell {
    width: 10px;
    height: 10px;
    border-width: 1px;
    font-size: xx-small;
    margin: 1px;
}

.grid_cell_unoccupied {
    background-color: darkslategrey;
    border-color: black;
}

.grid_cell_occupied {
    background-color: red;
    border-color: black;
}