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

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

#form_Grid {
  grid-template-areas: "grid-category" "grid-catkey" "grid-number" "grid-name" "grid-caption";
}

#grid_Category {
  grid-area: grid-category;
  grid-column: col/span 4;
  grid-row: 1;
}

#grid_CatKey {
  grid-area: grid-catkey;
  grid-column: col 6/span 3;
  grid-row: 1;
}

#grid_Number {
  grid-area: grid-number;
  grid-column: col 10/span 2;
  grid-row: 1;
}

#grid_Name {
  grid-area: grid-name;
  grid-column: col/span 12;
  grid-row: 2;
}

#grid_Caption {
  grid-area: grid-caption;
  grid-column: col/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) + 10%);
  }
  #main_Table {
    width: calc(var(--table-width) + 10%);
  }
}
@media screen and (min-width: 768px) and (max-width: 992px) {
  #main_Form {
    width: calc(var(--form-width) + 20%);
  }
  #main_Table {
    width: calc(var(--table-width) + 20%);
  }
}
@media screen and (min-width: 576px) and (max-width: 768px) {
  #main_Form {
    width: calc(var(--form-width) + 30%);
  }
  #main_Table {
    width: calc(var(--table-width) + 30%);
  }
}
@media screen and (max-width: 576px) {
  #main_Wrapper {
    display: none;
  }
  #small_Message {
    display: block;
    margin-top: 2em;
  }
}