Bug!! when using right written languages!!

my site default language is english i use transposh to translate to arabic and hebrew a right written languages!! the problem when i select arabic or hebrew language the back ground size get wider and if i used safari on pc Mac or iOS devices the site open from lift to right that make the site look empty!!
my site is http://www.yasmeenart.com
try it yourself to understand more!!
thank you for the this helpful Plugin its great one!!

Regards.

http://wordpress.org/extend/plugins/transposh-translation-filter-for-wordpress/