Mirage: BGA styles

Example
 
Progress message
Markup: forms/progress-throbber/progress-throbber.twig
<span class="xml"><span class="hljs-tag">&lt;<span class="hljs-name">div</span> <span class="hljs-attr">class</span>=<span class="hljs-string">"progress-throbber </span></span></span><span class="hljs-template-variable">{{modifier_class}}</span><span class="xml"><span class="hljs-tag"><span class="hljs-string">"</span>&gt;</span>
  <span class="hljs-tag">&lt;<span class="hljs-name">div</span> <span class="hljs-attr">class</span>=<span class="hljs-string">"progress-throbber__widget"</span>&gt;</span>&amp;nbsp;<span class="hljs-tag">&lt;/<span class="hljs-name">div</span>&gt;</span>
  <span class="hljs-tag">&lt;<span class="hljs-name">div</span> <span class="hljs-attr">class</span>=<span class="hljs-string">"progress-throbber__message"</span>&gt;</span>Progress message<span class="hljs-tag">&lt;/<span class="hljs-name">div</span>&gt;</span>
<span class="hljs-tag">&lt;/<span class="hljs-name">div</span>&gt;</span>
</span>
Source: forms/progress-throbber/_progress-throbber.scss, line 1