body {
    background-color: #f4f4f4;
    color: #333;
}

a {
    color: #007bff;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

header {
    background: #fff;
    padding: 20px;
    border-bottom: 1px solid #ccc;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h2 {
    margin: 0;
}