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As mentioned I have kept my eye on your form and it seems that it is still showing the form without the CSS codes that you had applied to it.
As such I have opened a new thread for you here and I am raising this to our developers for inspection.
Again, this form: http://www.jotformpro.com/form/60422134553951 over direct link already works.
The same form over custom URL however: https://form.jotform.com/airdat/approved-contractor still shows the form without the CSS applied.