Odyssey styleguide

<insert-markup>icons.button-</insert-markup>
Markup
<a class="icon-button">
	<img class="icon-button__icon" src="./images/close.svg"/>
</a>
<button class="icon-button">
	<img class="icon-button__icon" src="./images/close.svg"/>
</button>
<div class="icon-button">
	<i class="icon-button__icon odyssey-icon-alert"></i>
</div>
Source: src/icons.less, line 200