.citations {
  overflow: auto;
}

#intro_fig {
  max-width: 500px;
}

#main {
  max-width: 1200px;
}

#navbar {
  position: -webkit-sticky;  /* Safari */
  position: sticky;
  top: 0;
  z-index: 9999;
}

#navbar-content {
  max-width: 1200px;
}

#table-of-contents {
  overflow: auto;
}

#leaderboard {
  overflow-y: auto;
}

#questions-list-cell {
  overflow-y: auto;
}

#question-display {
  overflow-y: auto;
}