Examples
Default styling
Red nose day
News

Red Nose Day is coming soon to BBC One

Read more
.block-content--view-mode-cw-s
Small
Red nose day
News

Red Nose Day is coming soon to BBC One

Read more
.block-content--view-mode-cw-m
Medium
Red nose day
News

Red Nose Day is coming soon to BBC One

Read more
.block-content--view-mode-cw-mp
Medium Plus
Red nose day
News

Red Nose Day is coming soon to BBC One

Read more
.block-content--view-mode-cw-l
Large
Red nose day
News

Red Nose Day is coming soon to BBC One

Read more
Markup: components/content-block/content-block.twig
<div class="cw-region">
  <article class="contextual-region block-content block-content--type-content-reference-block {{ modifier_class }} content-block clearfix">
    <div class="content-block__image">
      <div class="media media--blazy  media--responsive media--image">
        <picture>
          <img property="schema:image" class="media__image media__element b-lazy b-responsive b-loaded" src="kss-assets/images/original-teaser-1170-658.jpg" alt="Red nose day" typeof="foaf:Image">
        </picture>
      </div>
    </div>
    <div class="content-block__content-wrapper">
      <div class="content-block__content">
        <span class="content-block__tag font--yellow font--font-black">News</span>
        <h4>
          Red Nose Day is coming soon to BBC One
        </h4>
      </div>
    </div>
    <a href="#" class="content-block__link" hreflang="en">Read more</a>
  </article>
</div>
Source: base-styleguide.scss, line 141