@media (max-width: 420px) {

  .banner-slider__title, .banner-slider__number {
    font-size: 16px;
    line-height: 24px;
  }

  .employees .employees-block {
    width: 100px;
    height: 100px;
  }

  .about-block p, .about-block .about-block__text {
    font-size: 18px;
  }

  .item .readmore .btn {
    width: 79.2%;
  }
}