I would say the easiest way is to add a bottom border to the qa-a-list-item class in your CSS. You may need to change the padding too. For example you could change the style to:
border-bottom: 1px dotted #999;
Welcome to the Q&A site for Question2Answer.
If you have a question about Q2A, please ask here, in English.
To report a bug, please create a new issue on Github or ask a question here with the bug tag.
If you just want to try Q2A, please use the demo site.
July 25th, 2023: Q2A 1.8.8 released!