.banner {
background-image: url("banner.jpg");
background-size: cover;
background-position: center;
color: white;
text-align: center;
padding: 70px 20px;
}

.banner h1, .banner p {
background-color: rgba(0,0,0,0.5);
display: inline-block;
padding: 10px 20px;
margin: 10px 0;
}