BlockQuote does'nt work

Hello,

I'm trying to use blockquotes, but nothing's working.

what I put :
<blockquote class="gkBlockquote1">
<p>"La régularité dans le travail mène au progrès"</p>
</blockquote>

the result:
http://brunetmarie.com/fr/piano-impros-compos/piano-les-cours

How to fix this ?

thanks,

regards,

Hi,
but I see differences.