In 'Build Mode' the titles are bold - but in the actual form - they are not. Is there a way to make these bold?

Also, in 'Build Mode' the titles are bold - but in the actual form - they are not. Is there a way to make these bold?

As for the bold font issue, adding the following code to your form will overwrite what is being added by the them applied to the form:

https://www.jotform.com/help/117-How-to-Inject-Custom-CSS-Codes

.form-label {
    font-weight : bold !important;
}

Here is how the form would look with the code added:

https://form.jotformpro.com/70875262480965