#doctor-filter-buttons {
    margin-bottom: 20px;
    text-align: center;
}
.doctor-filter-button {
    background: #eee;
    border: 1px solid #ccc;
    padding: 6px 12px;
    margin: 0 4px;
    cursor: pointer;
    border-radius: 4px;
}
.doctor-filter-button.active {
    background: #0073aa;
    color: white;
}