body {
    padding-top: 70px;
    padding-bottom: 30px;
}

.theme-dropdown .dropdown-menu {
    position: static;
    display: block;
    margin-bottom: 20px;
}

.theme-showcase > p > .btn {
    margin: 5px 0;
}
/* Main marketing message and sign up button */
.jumbotron {
    text-align: center;
    background-color: transparent;
}
.jumbotron .btn {
    padding: 14px 24px;
    font-size: 21px;
    }