Radio

Radios are styled by their wrapping label, which also gives you the card variant for bigger choice targets.

ClassDoes what
radioCustom radio dot
labelOn the wrapping label: row layout with a gap
blockOn the wrapping label: padded, bordered card that highlights when selected

Basic

<label class="label">
  <input type="radio" name="plan" class="radio" checked />
  Monthly
</label>
<label class="label">
  <input type="radio" name="plan" class="radio" />
  Yearly
</label>

Card radios

<label class="label block">
  <input type="radio" name="tier" class="radio" checked />
  Hobby
</label>
<label class="label block">
  <input type="radio" name="tier" class="radio" />
  Team
</label>