e-action

Code 
<button type="button" class="e-action">
    <svg class="e-icon" aria-hidden="true"><use xlink:href="#cross"></use></svg>
    <span>Lorem ipsum</span>
</button>

e-action e-action--subtle

Code 
<button type="button" class="e-action e-action--subtle">
    <svg class="e-icon" aria-hidden="true"><use xlink:href="#cross"></use></svg>
    <span>Lorem ipsum</span>
</button>