didnt affect tag h

[vandivicario]

my h1,h2,h3,h4,h5,h6 didnt get effect with the script?did i do wrong?

<script src="js/flowtype.js"></script> <script> $('body').flowtype({ minimum : 300, maximum : 780, minFont : 8, maxFont : 32, fontRatio : 60 }); </script>

when i minimize my h1 font size still 32px from bootstrap.min.css