title: Bootstrap.min.css file is not calling in tcpdf
body: <p>i designed the invoice using bootstrap css, i used tcpdf to design invoice. I called bootstrap css file but its not working, Kindly help me.. My coding is</p>
  
  <pre><code>$baseurl = "http://localhost/erp";
  $html = '&lt;style&gt;'.file_get_contents($baseurl.'css/bootstrap.min.css').'&lt;/style&gt;';
  $html = '&lt;style&gt;'.file_get_contents($baseurl.'css/style.css').'&lt;/style&gt;';
  </code></pre>