Overlapping text when elements have id=answer

[aplaice]

Firstly, thanks for a really nice add-on!

Problem description

If an element's id is answer, then it may often overlap with other elements. For instance, if you (temporarily) change the front template of a basic card to:

<div id=answer>{{Front}}</div>
<div>overlapping text</div>

then you'll get something like:

(For this card the Front field was foo.)

The issue was, AFAICT first reported here, in the context of the interplay between Night Mode and the "Ultimate Geography" deck.

Checklist

Please put x inside brackets if following sentences apply to you:

• I verified that I use the lastest add-on version,
• I verified that I use the lastest Anki version,
• I tried to disable other add-ons to find the culprit,
• I checked if anyone reported this problem before, as well as Known issues section on add-ons page,
• My issue is solved when holding shift while starting Anki.

Information about your Anki Setup

Version 2.1.15 (442df9d6)
Qt 5.12.3 PyQt 5.13.0

Night Mode 2.2.4

OS: Ubuntu 16.04