body {
    background-color: #f8f9fa;
}

.card {
    border: none;
    border-radius: 0.5rem;
}

.card-header {
    background-color: #fff;
    border-bottom: 1px solid #dee2e6;
    padding: 0.75rem 1.25rem;
}

.nav-pills .nav-link {
    color: #495057;
    font-weight: 500;
}

.nav-pills .nav-link.active {
    color: #fff;
    background-color: #007bff;
}

.card-body {
    padding: 2rem;
    line-height: 1.8;
}

.card-body h1,
.card-body h2,
.card-body h3 {
    margin-top: 1.5rem;
    margin-bottom: 1rem;
    color: #343a40;
}

.card-body p {
    margin-bottom: 1.25rem;
    color: #495057;
}

.card-body a {
    color: #007bff;
}

.card-body a:hover {
    text-decoration: underline;
}