body {
    margin: 0;
    padding: 0;
    font-family: sans-serif;
    background-image: url('forest.jpg');
    background-size: cover;
    background-position: center;
    color: white;
    text-align: center;
}
.hero {
    background: rgba(0, 0, 0, 0.5);
    padding: 20vh 0;
}
h1 {
    font-size: 4em;
    margin: 0;
}
p {
    font-size: 1.5em;
}