Usage
<label class="radio">
<input type="radio" name="demo">
<span>Item</span>
</label>
<label class="radio">
<input type="radio" name="demo" checked>
<span>Item</span>
</label>
<label class="radio">
<input type="radio" name="demo">
<span>Item</span>
</label>
Without a label
<label class="radio">
<input type="radio" name="demolabel">
<span></span>
</label>
<label class="radio">
<input type="radio" name="demolabel" checked>
<span></span>
</label>
<label class="radio">
<input type="radio" name="demolabel">
<span></span>
</label>
Disabled
<label class="radio">
<input type="radio" disabled>
<span>Item</span>
</label>
<label class="radio">
<input type="radio" disabled checked>
<span>Item</span>
</label>
<label class="radio">
<input type="radio" disabled>
<span>Item</span>
</label>