body {
    font-family: Arial, sans-serif;
    margin: 40px;
}

h1 {
    margin-bottom: 10px;
}

.nav {
    margin-bottom: 20px;
}

.nav a {
    text-decoration: none;
    padding: 8px 12px;
    background: #333;
    color: #fff;
    border-radius: 4px;
}

.journal {
    border-bottom: 1px solid #ccc;
    padding: 10px 0;
}