Is it possible to shrink the font size of the radio buttons on the phone?

Is it possible to shrink the font size of the radio buttons on the phone? Or shift to column on the phone?
https://form.jotform.com/72964644165162

You should be able to adjust the font size of those labels on mobile by adding the following CSS:

@media only screen and (max-width: 550px){

    .form-radio-item label {
    font-size : 16px !important;
    }
}