Gradient Border Native
<label class="sl15"><select aria-label="Model"><option>Standard model</option><option>Fast model</option><option>Large model</option></select><svg viewBox="0 0 24 24" aria-hidden="true"><path d="M6 9l6 6 6-6"/></svg></label><label class="sl15"><select aria-label="Model"><option>Standard model</option><option>Fast model</option><option>Large model</option></select><svg viewBox="0 0 24 24" aria-hidden="true"><path d="M6 9l6 6 6-6"/></svg></label>