discourse/app/assets/stylesheets/publish_mobile.scss

@import "publish";

.published-page-header {
  .published-page-header-wrapper {
    width: auto;

    .published-page-title {
      font-size: var(--font-up-3);
      width: 100%;
      overflow: hidden;
      white-space: nowrap;
      text-overflow: ellipsis;
    }
  }
}

.published-page-content-wrapper {
  margin: 2em auto;
  padding: 0 10px;
}