body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: #f0f0f0;
}

header {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 1em 0;
}

nav {
    background-color: #444;
    text-align: center;
    padding: 0.5em 0;
}

nav a {
    color: white;
    margin: 0 1em;
    text-decoration: none;
}

section {
    padding: 20px;
    max-width: 800px;
    margin: auto;
}

.project {
    background: white;
    padding: 10px;
    margin-bottom: 15px;
    border-radius: 5px;
}

.project img {
    max-width: 100%;
    height: auto;
    border: 1px solid #ccc;
}