message: Badge: remove extra class definition
diff: border-radius: 50%;
  }
  -.Badge.Badge--new {
  +.Badge--new {
  background-color: #5c9ce6; /* blue_200 */
  }
  -.Badge.Badge--prominent {
  +.Badge--prominent {
  background-color: var(--counter_prominent_background);
  }
  