body {
    font-family: Arial, Helvetica, sans-serif;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background: #fef2fc;
    color: #1e1e2a;
    line-height: 1.7;
}

/* navbar */
nav {
    background: #2c3e50;
    padding: 12px 20px;
    border-radius: 8px;
    margin-bottom: 30px;
}

nav a {
    color: white;
    text-decoration: none;
    margin-right: 25px;
    font-weight: 500;
    font-size: 1.1rem;
}

nav a:hover {
    color: #a0b8d1;
    text-decoration: underline;
}

h1 {
    font-size: 2rem;
    font-weight: normal;
    border-bottom: 2px solid #d0d7e6;
    padding-bottom: 10px;
    margin-bottom: 30px;
}

ul {
    padding-left: 25px;
    margin-bottom: 20px;
}

li {
    margin-bottom: 10px;
    color: darkslategray;
}