Introduction hero block, including option with background image.
<div class="hero">
<h1>Perspiciatis Perferendis Ut <span class="hero__extra">£50,353</span></h1>
</div>
<div class="{{modifier 'hero' modifiers}}">
<h1>{{ titlecase text }} <span class="hero__extra">{{ extra }}</span></h1>
</div>