.text-center {
    text-align: center;
}

.mb-4 {
    margin-bottom: 1.5rem;
}

.mb-5 {
    margin-bottom: 2rem;
}

.mt-5 {
    margin-top: 2rem;
}

.table-responsive {
    overflow-x: auto;
    margin-bottom: 1rem;
}