body {
    font-family: Arial, sans-serif;
    margin: ;
    padding: ;
    box-sizing: border-box;
}

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

nav ul {
    list-style: none;
    padding: ;
    display: flex;
    justify-content: space-around;
}

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

#hero {
    background: url('hero.jpg') center/cover no-repeat;
    color: #fff;
    padding: 5rem 1rem;
    text-align: center;
}

#about, #contact {
    padding: 2rem 1rem;
}

h1, h2 {
    color: #333;
}

form label {
    display: block;
    margin-top: 1rem;
}

form input, form textarea {
    width: 100%;
    padding: .5rem;
    margin-top: .5rem;
}

form button {
    margin-top: 1rem;
    padding: .5rem 1rem;
    background-color: #333;
    color: #fff;
    border: none;
    cursor: pointer;
}

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