message: feat: remove unecessary calc rule
diff: border-radius: 50%;
  content: '';
  display: block;
  - height: calc(var(--space-xs) + 2px);
  + height: var(--space-xs);
  margin-bottom: calc(var(--space-xs) + 4px);
  margin-left: calc(var(--space-xxs) - 1px);
  margin-right: calc(var(--space-xs) + 2px);
  