Module:Build bracket/styles.css

.team-cell {
    border: 1px solid #aaa;
    border-width: 1px 0 1px 1px;
    background-color: #F9F9F9;
    padding: 0 0.3em;
}

.header-cell {
    border: 1px solid #aaa;
    border-width: 1px 0 1px 1px;
    background-color: #F2F2F2;
    text-align: center;
    padding:0 0.3em;
}