Shape Morph
<label class="cb11"><input type="checkbox" checked><span class="box"><svg viewBox="0 0 24 24"><path d="M6 12.5l4 4L18 8"/></svg></span>Auto-save</label><label class="cb11"><input type="checkbox" checked><span class="box"><svg viewBox="0 0 24 24"><path d="M6 12.5l4 4L18 8"/></svg></span>Auto-save</label>