This is Henry from PageFly - Landing Page Builder App
You can try this code by following these steps:
Step 1: Go to Online Store->Theme->Edit code.
Step 2: Search file app.css
Step 3: Paste the below code at bottom of the file → Save
@media (max-width: 767px){
table th, table td {
padding: 6px !important;
font-size: 12px !important;
}}
Hope that my solution works for you.
Best regards,
Henry | PageFly