Try this.
open:
/templates/gilad7rtl/html/com_virtuemart/assets/css/flexibleVM2Global.css
and include this CSS rule:
.addthis_toolbox { width:155px;}
it should solve it.
If you like CleanMart and satisfied with the support you have received, please "write a review" on:
flexiblewebdesign.com/Virtuemart-2-Templates/CleanMart
Rate CleanMart and write a couple of sentences to share your experience with the support team. It won't take more than 2 minutes from you but it is
extremely important for us. Thanks in advance!
Regards,
Support