How do I increase the field height?

the height of the fields is too short.  When people type their information into the field, it is impossible to see what has been written. How do I increase the field height?

Please add this custom CSS code to your form to increase the height of your text box:

.form-textbox {

    height: 30px !important;

}

To add a custom CSS code to your form, please follow this guide: https://www.jotform.com/help/117-How-to-Inject-Custom-CSS-Codes

Thank you.