html,
body {
  height: 100%;
  background-color: #fff;
}

body {
  display: -ms-flexbox;
  display: flex;
  color: #404041;
}

.cover-container {
  max-width: 42em;
}

.cover {
  padding:0 1.5rem;
  margin-top:auto;
  margin-bottom:auto;
  text-shadow: 0 .05rem .1rem rgba(0, 0, 0, .5);
}
.cover .btn-lg {
  padding: .75rem 1.25rem;
  font-weight: 700;
}

footer {
  padding-top:8rem;
  font-size:0.8rem;
}