#rsvp-frame {
  flex: 1;
  border: 0;
  min-height: 100%;  /* needed for Edge */
  height: calc(100vh - 90px)  /* needed for IE */
}

/* Overrides */
#main {
  display: flex;
  flex-direction: column;
}

.centering-container {
  flex: 1;
  display: flex;
  padding: 0;
}

.content {
  flex: 1;
  display: flex;
  padding: 0;
}

#navbar-hr {
  display: none;
}

#footer-hr {
  margin-top: 0.5rem;
}