pan class="token punctuation">&lt;</span>button</span> <br>        <span class="token attr-name">role</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>tab<span class="token punctuation">"</span></span><br>        <span class="token attr-name">id</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>first-tab<span class="token punctuation">"</span></span><