If you want to increase the spacing between footnote or endnote elements, you can add a top and bottom border to the corresponding paragraph style.
Click in a footnote or endnote.
Choose View - Styles.
Right-click the Paragraph Style that you want to modify, for example, "Footnote", and choose Modify.
Click the Borders tab.
In thearea, click the icon.
In thearea, click a line in the list.
Select "White" in thebox. If the background of the page is not white, select the colour that best matches the background colour.
In the Padding area, clear the Synchronise check box.
Enter a value in theand boxes.