html,
body {
  height: 100%;
}

body {
  display: flex;
  justify-content: center;
  color: #212529;
  background-color: #fff;
  font-family: 'Montserrat', sans-serif;
  /* box-shadow: inset 0 0 2rem rgba(0, 0, 0, .5); */
}

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

.masthead {
  margin-bottom: 2rem;
}

.masthead-brand {
  margin-bottom: 0;
}

.nav-masthead .nav-link {
  padding: .25rem 0;
  font-weight: 700;
  color: #212529;
  background-color: transparent;
  border-bottom: .25rem solid transparent;
}

.nav-masthead .nav-link:hover,
.nav-masthead .nav-link:focus {
  border-bottom-color: rgba(0, 0, 0, .25);
}

.nav-masthead .nav-link+.nav-link {
  margin-left: 1rem;
}

@media (min-width: 48em) {
  .masthead-brand {
    float: left;
  }

  .nav-masthead {
    float: right;
  }
}

.cover {
  padding: 0 1.5rem;
}

#background {
  position: fixed;
  z-index: -1;
}