div.jumbotron {
    background-position-y: bottom;
    background-repeat-y: no-repeat;
    background-color: black;
    border-radius: initial;
    color: white;
}
div.jumbotron ul a {
    color: inherit;
}
div.jumbotron ul {
    text-shadow: 0 0 .3rem black;
}
div.jumbotron h1 {
    text-shadow: 0 0 .2rem black;
    font-family: sans-serif;
    letter-spacing: 0.42rem;
    line-height: 1.2;
    font-weight: 400;
    font-size: 3rem;
}
div.jumbotron a.navbar-brand {
    display:none;
}

@media (max-width: 320px) {
    div.jumbotron h1 {
        font-size: 2rem;
    }
}