css conflict with my theme

Hi support team,

Plugin version: 3.6.8
Wp version: 4.3
Woocommerce version: 2.4.7
My theme: Bridge (one of the most selled on themeforest)

This is the website I’m working on:
http://www.archimiao.it

CSS of your plugin make some problem with css of the theme, as you can see in my scheenshoot here, table comes modify by your plugin. Sometime I click on description field in my shop and the experience look raw, not open, not click, strange.)
http://www.archimiao.it/support/pconf.jpg

if I deactivate your plugin all come ok, can you help me with css please?

Thanks
Ivan

https://wordpress.org/plugins/woocommerce-checkout-manager/