CSS Help; Staff Directory

I'm not a CSS professional, but usually I can fiddle my way enough to get the desired look.

However, I'm having a problem with our Staff Directory displaying correctly on mobile devices (screen size up to 480px).

https://cityofhanahan.com/staff-directory/

The staff member name, title, phone number and email address get all out of wack. They are just supposed to be:

Name
Title
Phone
Email

Just that simple.

On every other screen size, it appears fine. Any help out there?

Thanks in advance,
David