css ::after ::before 画*号

.required {
  position: relative;
  display: inline-flex;
  align-items: center;
  margin-bottom: 16rpx;
}

.required::after {
  display: inline-block;
  margin-left: 6rpx;
  color: #FA5753;
  font-size: 30rpx;
  line-height: 1;
  content: '*';
}