.masthead {
  height: 100vh;
  min-height: 500px;
  background-image: url('https://source.unsplash.com/BtbjCFUvBXs/1920x1080');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.parenthetical-smallest {
  font-size: 8px;
}
.mw-20 {
  max-width: 20rem;
}
.flash {
  background-color:#b1e3cf;
  margin:auto;
  max-width: 300px;
  border-radius: 3px;
}
.gray-anchor {
  color: #212529
}
.gray-anchor:hover {
  color: #4c535a
}