body {
    font-family: 'Roboto Flex', sans-serif;
}
.banner {
    font-size: 5em;
    font-weight: 200;
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}
.modal-backdrop.show {
      opacity: 0.7;
      background-color: #000;
}