body {
padding-top: 70px;
}
.footer { border-top: 1px solid #ddd; margin-top: 30px; padding-top: 15px; padding-bottom: 30px;
} .jumbotron {
text-align: center; background-color: transparent;
} .jumbotron .btn {
font-size: 21px; padding: 14px 24px;