The aim of this demo is to show:
<ul class="vote">
<li class="vote__item">
<input class="vote__control" type="radio" name="vote1" id="upvote1">
<label class="vote__label vote__label--upvote" for="upvote1">
<span class="vote__content">Upvote</span>
</label>
</li>
<li class="vote__item">
<input class="vote__control" type="radio" name="vote1" id="downvote1">
<label class="vote__label vote__label--downvote" for="downvote1">
<span class="vote__content">Downvote</span>
</label>
</li>
</ul>