<style>

body {
    font-family: Roboto, sans-serif, Arial;
    margin: 0;
    padding: 0;
}

header {
    position: relative;
}

.hero-image {
    width: 100%;
    height: auto;
}

nav {
    background: #333;
    color: #fff;
    padding: 10px 0;
}

nav ul {
    list-style-type: none;
    padding: 0;
    text-align: right;
}

nav ul li {
    display: inline;
    margin: 0 15px;
}

nav a {
    color: white;
    text-decoration: none;
}

main {
    padding: 20px;
    text-align: center;
}

h1 {
    color: #333;
}

</style>