#exercise-frame {
  width: 900px;
  display: flex;
  flex-direction: column;
}

#question-frame {
  align-self: center;
}

/************************** RACE TRACK **************************/
#race-track {
  margin: 30px 0;
  align-self: center;
}

#race-track.vertical {
  width: auto;
  flex: 1 0 auto;
}

.white-screen #race-track {
  margin: 15px 0;
}