body {
    background-color: #f8f9fa;
}

.form-container {
    max-width: 900px;
    margin: 2rem auto;
    padding: 2rem;
    background-color: #fff;
    border-radius: 0.5rem;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
}

.form-section {
    margin-bottom: 2rem;
}

.section-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    border-bottom: 2px solid #0d6efd;
    padding-bottom: 0.5rem;
}

.approval-history-table th,
.approval-history-table td {
    vertical-align: middle;
    text-align: center;
}

.stamp-cell {
    height: 80px;
    width: 80px;
    border: 1px solid #dee2e6;
    vertical-align: middle;
    text-align: center;
    font-size: 0.8rem;
    color: #6c757d;
}