#page_Heading::after {
  display: block;
  content: "\a" "At the 'Portal to Texas History'";
  font-size: var(--font-size-h3);
  font-style: normal;
  line-height: 100%;
}

#page_Wrapper {
  grid-template-areas: "page-intro" "page-books";
}

#page_Intro {
  grid-area: page-intro;
  grid-column: col 4/span 6;
  grid-row: 1;
}

#page_Books {
  grid-area: page-books;
  grid-column: col 3/span 8;
  grid-row: 2;
}

@media screen and (min-width: 992px) and (max-width: 1399.98px) {
  #page_Intro {
    grid-column: col 4/span 6;
  }
  #page_Books {
    grid-column: col 3/span 8;
  }
}
@media screen and (min-width: 772px) and (max-width: 991.98px) {
  #page_Intro {
    grid-column: col 3/span 8;
  }
  #page_Books {
    grid-column: col 3/span 8;
  }
}
@media screen and (min-width: 574px) and (max-width: 771.98px) {
  #page_Intro {
    grid-column: col 2/span 10;
  }
  #page_Books {
    grid-column: col 2/span 10;
  }
}
@media screen and (min-width: 0px) and (max-width: 573.98px) {
  #page_Intro {
    grid-column: col 1/span 12;
  }
  #page_Books {
    grid-column: col 1/span 12;
  }
}