message: Fix alert appearance
diff: .Alert--ios .Alert__btn {
  position: relative;
  background: rgba(255, 255, 255, .75);
  - flex: 1 1 auto;
  + flex: 1 0 auto;
  font-size: 17px;
  line-height: 44px;
  color: #007AFF;
  border: 0;
  padding: 0;
  + margin: 0;
  + height: 44px;
  display: block;
  outline: none;
  }
  