src/elements/quiz.html
<template>
<fieldset>
${question}
<ul style="list-style-type: none">
<li repeat.for="answer of answer_exp_array">
<input type="checkbox" checked.bind="answer.user" class="w3-check" disabled.bind="showresult"/><label>${answer.answer}</label>
<span show.bind="showresult" class="w3-theme-l5">
<span show.bind="answer.user===answer.correct" title="OK"><i class="fa fa-thumbs-o-up"></i></span>
<span show.bind="answer.user!==answer.correct" title="incorrect"><i class="fa fa-times"></i></span>
<input type="checkbox" checked.bind="answer.correct" disabled/> <label>${answer.explanation}</label>
</span>
</li>
</ul>
<input type="submit" value.bind="buttontitle" click.delegate="submit()"/>
</fieldset>
</template>