.jumbotron {
  padding-top: 3rem;
  padding-bottom: 3rem;
  margin-bottom: 0;
  background-color: #fff;
}
@media (min-width: 768px) {
  .jumbotron {
    padding-top: 6rem;
    padding-bottom: 6rem;
  }
}
.jumbotron-heading {
  font-weight: 300;
}
.jumbotron .container {
  max-width: 40rem;
}
footer {
  padding-top: 3rem;
  padding-bottom: 3rem;
}
footer p {
  margin-bottom: 0.25rem;
}
html,
body {
  height: 100%;
}

body {
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}