Frontpage in different languages polylang

Hi
firstly thank you for your support .
I have a problem with the home page .I am using Arabic as another language to my website but
Arabic page doesn’t display on mobile at all ,and when i tried to add background image it doesn’t appeared
i could only see that it tack place put not showing
please help me to fix this problem .
Thank you .

this is the link to my website
yousra.infinityfreeapp.com

another issue with mobile that the when i select product and add it to cart it show plank page

Hey there

Your website is not available at the moment, please check it and let me know when its ready for check

Hey there
It is working ,please check it again
thank you