<div class="rd15" role="radiogroup" aria-label="Theme">
<label><input type="radio" name="rd15"><span><svg viewBox="0 0 24 24"><circle cx="12" cy="12" r="4"/><path d="M12 2v2M12 20v2M4.9 4.9l1.4 1.4M17.7 17.7l1.4 1.4M2 12h2M20 12h2M4.9 19.1l1.4-1.4M17.7 6.3l1.4-1.4"/></svg>Light</span></label>
<label><input type="radio" name="rd15" checked><span><svg viewBox="0 0 24 24"><path d="M20 14.5A8 8 0 0 1 9.5 4a8 8 0 1 0 10.5 10.5z"/></svg>Dark</span></label>
<label><input type="radio" name="rd15"><span><svg viewBox="0 0 24 24"><rect x="3" y="4" width="18" height="12" rx="2"/><path d="M8 20h8M12 16v4"/></svg>System</span></label>
</div>