header {
    text-align: center;
}

footer {
    text-align: center;
}

body#security-hof .header-bg {
    background-color: #e0e0e0;
    padding: 16px;
    border-radius: 8px;
    margin-bottom: 32px;
    text-align: center;
}

.acknowledgments {
    list-style-type: none;
    padding: 0;
    margin: 0;
}

.acknowledgments li {
    padding: 8px 0;
    border-bottom: 1px solid #ddd;
}

.acknowledgments li:last-child {
    border-bottom: none;
}

ul {
    list-style-type: "- ";
    margin: 0;
    padding: 0;
}