.page-header {
  position: static;
}

.social-link {
  background-color: #000000;
}

.icon-path {
  fill: #ffffff;
}

.main-nav-link {
  color: #ffffff;
}

@media (width >= 768px) {
  .main-nav-link {
    color: #000000;
  }
}

.contacts-adress-phone {
  color: #ffffff;
}

@media (width >= 768px) {
  .contacts-adress-phone {
    color: #000000;
  }
}