Thanks for contacting us and choosing our product!
We have just checked your site and see you installed this plugin: Clockinator Pro
and it conflict with WooCommerce CSS and cause the issue.
The best solution you should deactivate this plugin.
or you can go to: Appearance -> Theme File Editor then select Pricom theme at the top right.
Location to framework/includes/enqueue-frontend.php then go to line 90 & add this code: