Align image on mega menu

Hello !
I don’t find any solution for align my image on my mega menu.

I try differents ways, but nothing works..
Here you can see :
http://test.associationcausefreudienne-vlb.com/

on menu ACF VLB, on see my 1st image is align on left.. I d’ont know why, because I checked text-align left, and image center (in image’s options).

Thank you.

https://wordpress.org/plugins/megamenu/