body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
    background-color: #f4f4f4;
}

header {
    background-color: #333;
    color: #fff;
    padding: 1rem 0;
}

nav ul {
    list-style: none;
    text-align: center;
    margin: 0;
    padding: 0;
}

nav ul li {
    display: inline;
    margin: 0 1rem;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
    font-weight: bold;
}

nav ul li a:hover {
    color: #f4f4f4;
}

.hero {
    background-color: #007bff;
    color: white;
    padding: 3rem;
    text-align: center;
}

section {
    padding: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

section h2 {
    text-align: center;
    margin-bottom: 1rem;
}

article {
    margin-bottom: 2rem;
    padding: 1rem;
    background: #fff;
    border: 1px solid #ccc;
    border-radius: 5px;
}

article h3 {
    margin-top: 0;
}

footer {
    text-align: center;
    padding: 1rem;
    background-color: #333;
    color: #fff;
    margin-top: 2rem;
}

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

a:hover {
    text-decoration: underline;
}

.project {
    background: #fff;
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 5px;
    border: 1px solid #ccc;
    text-align: center;
}

ul {
    list-style: none;
    padding: 0;
}