:root {
  --form-width: 30%;
  --table-width: 40%;
}

#main_Form {
  width: var(--form-width);
}

#form_Grid_Tab_1 {
  grid-template-areas: "grid-nameshort" "grid-page" "grid-namelong" "grid-sub-fk" "grid-twn-fk";
}

#grid_NameShort {
  grid-area: grid-nameshort;
  grid-column: col 1/span 10;
  grid-row: 1;
}

#grid_Page {
  grid-area: grid-page;
  grid-column: col 11/span 2;
  grid-row: 1;
}

#grid_NameLong {
  grid-area: grid-namelong;
  grid-column: col 1/span 12;
  grid-row: 2;
}

#grid_Sub_FK {
  grid-area: grid-sub-fk;
  grid-column: col 1/span 6;
  grid-row: 3;
}

#grid_Twn_FK {
  grid-area: grid-twn-fk;
  grid-column: col 7/span 6;
  grid-row: 3;
}

#form_Grid_Tab_2 {
  grid-template-areas: "grid-photo" "grid-prevnext" "grid-caption" "grid-text";
}

#grid_Photo {
  grid-area: grid-photo;
  grid-column: col 1/span 9;
  grid-row: 1;
}

#grid_PrevNext {
  grid-area: grid-prevnext;
  grid-column: col 10/span 3;
  grid-row: 1;
}

#grid_Caption {
  grid-area: grid-caption;
  grid-column: col 1/span 12;
  grid-row: 2;
}

#grid_Text {
  grid-area: grid-text;
  grid-column: col 1/span 12;
  grid-row: 3;
}

#main_Table {
  width: var(--table-width);
}

@media screen and (min-width: 1200px) {
  #main_Form {
    width: var(--form-width);
  }
  #main_Table {
    width: var(--table-width);
  }
}
@media screen and (min-width: 992px) and (max-width: 1200px) {
  #main_Form {
    width: calc(var(--form-width) + 20%);
  }
  #main_Table {
    width: calc(var(--table-width) + 20%);
  }
}
@media screen and (min-width: 768px) and (max-width: 992px) {
  #main_Form {
    width: calc(var(--form-width) + 30%);
  }
  #main_Table {
    width: calc(var(--table-width) + 30%);
  }
}
@media screen and (min-width: 576px) and (max-width: 768px) {
  #main_Form {
    width: calc(var(--form-width) + 40%);
  }
  #main_Table {
    width: calc(var(--table-width) + 40%);
  }
}
@media screen and (max-width: 576px) {
  #main_Wrapper {
    display: none;
  }
  #main_Message {
    display: block;
    margin-top: 2em;
  }
}