body {
    font-family: "Microsoft JhengHei", Arial, sans-serif;
}

.table th {
    background-color: #f8f9fa;
}

.card-header {
    background-color: #f0f0f0;
}

.btn-primary {
    background-color: #007bff;
}

.tag-form {
    max-width: 900px;
    margin: 0 auto;
}