body {
    font-family: 'Roboto', sans-serif;
}

.jumbotron {
    margin-bottom: 0;
    padding-top: 150px;
    padding-bottom: 150px;
    color: white;
}

.navbar-brand {
    font-weight: bold;
}

footer {
    background-color: #343a40;
}

.btn-block {
    padding: 20px;
    font-size: 1.5em;
}