.jumbotron {
    padding: 12% 0% 12% 0%;
    border-radius: 0;
    background-image: url(header.jpg);
    background-position: center top;
    background-size: cover;
    background-repeat: no-repeat;
    color: white;
    text-shadow: black 0.3em 0.3em 0.3em;
}