I want to know what should be the size of the design for the background image. Beacuse the image I uploaded shows differently on each screen. So is their a a standard Size.
It depends on what you want to accomplish with your background. This article has some good pointers: http://www.banyanbranch.com/social-blog/how-to-make-twitter-backgrounds-for-the-new-twitter-com/
yes I wanna know size plz ? to edit the website account http://ar-mobiles.elasli.com
Deloitte Digital changed their original post last year but I found their most recent post about the design image size: http://www.deloittedigital.com/blog/how-you-can-use-twitter-to-improve-branding