* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

header nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
}

header nav ul li {
    margin: 0 20px;
}

header nav ul li a {
    color: white;
    text-decoration: none;
    font-size: 18px;
}

#home {
    background-color: #f0f0f0;
    text-align: center;
    padding: 50px;
}

#home h1 {
    font-size: 2.5rem;
}

#about, #portfolio, #contact {
    padding: 40px;
    text-align: center;
}

#about h2, #portfolio h2, #contact h2 {
    font-size: 2rem;
    margin-bottom: 20px;
}

#portfolio .portfolio-gallery {
    display: flex;
    justify-content: center;
    gap: 20px;
}

#portfolio .portfolio-item {
    text-align: center;
}

#portfolio img {
    width: 300px;
    height: 200px;
    object-fit: cover;
}

form {
    display: flex;
    flex-direction: column;
    max-width: 400px;
    margin: 0 auto;
}

form label {
    margin-bottom: 5px;
    font-weight: bold;
}

form input, form textarea {
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

form button {
    padding: 10px;
    background-color: #333;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

form button:hover {
    background-color: #555;
}

footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 1rem;
}