Select either code view or split view so you can paste the code in.
Navigate to where you would like to put the dotted line separator. If you are in the split view, in the design area put your mouse where you would like the dotted line. Then up in the code where your courser appears add this code
<div class=”separator”> </div>
Here is an example of what the code should look like,
Check out an example of a page using the dotted line separator
https://wou.edu/student/finaid/loans.php