@media screen and (max-width: 980px) {
  .image-slider {
    margin: 0 auto;
  }
}
@media screen and (max-width: 540px) {
  .header-contact {
    display: block;
    text-align: center;
  }
  .company-phone {
    text-align: center;
    margin-top: 15px;
  }
  .header-title {
    margin-top: 0;
    font-size: 30px;
  }
  .header-subtitle {
    font-size: 18px;
    margin-top: 15px;
  }
  .header-images {
    margin: 20px 0;
  }
  .header {
    padding-bottom: 40px;
  }
  .advantages {
    margin: 40px 0;
  }
  .site-title {
    font-size: 24px;
  }
  .site-subtitle {
    font-size: 14px;
    margin-top: 5px;
  }
  .advantages-block {
    margin-top: 10px;
  }
  .service {
    padding: 40px 0;
  }
  .service-block {
    margin-top: 0;
    padding-bottom: 20px;
  }
  .reviews {
    margin: 40px 0;
  }
  .slick-slider {
    margin-top: 30px;
  }
  .brend {
    padding: 40px 0;
  }
  .social-block {
    display: block;
    text-align: center;
  }
}