@media screen and (max-width: 767px) {
  .parent-page {
    font-size: 1rem;
  }
  .page-title-s {
    margin-left: 5px;
    margin-right: 5px;
    font-size: 1.3rem;
    font-weight: 600;
  }
  .container-inner {
    padding: 0 10px;
  }
}