Make submit button text bold?

Hello,

On my form (https://form.jotform.com/90560357017151) I have added some custom css to make the submit button text bold, and it looks fine in the form designer (see: https://www.screencast.com/t/xdR295dspeCp) but if I preview the form the text does not appear bold, see: https://www.screencast.com/t/AtTKmljAgpw7

The css I'm using is below. Any idea why it's not showing up as bold and/or how to fix?

Thanks very much!

.form-submit-button {

    background : #0559d3 !important;

    color : #fff;

    -webkit-border-radius : 5px;

    -moz-border-radius : 5px;

    border-radius : 5px;

    border : none;

    box-shadow : none;

    height : 60px;

    width : 180px;

    font-size : 20px !important;

    font-weight : bold;

    text-shadow : 0 0px #000 !important;

}

I actually just added !important to the font-weight css and it's working now, so this question can be closed.