.wsc-size-chart {
    margin-top: 20px;
}

.wsc-unit-switch {
    margin-bottom: 10px;
}

.wsc-unit {
    padding: 6px 12px;
    border: 1px solid #ccc;
    cursor: pointer;
    background: #f5f5f5;
}

.wsc-unit.active {
    background: #000;
    color: #fff;
}

.wsc-size-chart table {
    width: 100%;
    border-collapse: collapse;
}

.wsc-size-chart th,
.wsc-size-chart td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: center;
}