How to change background gmail account or themes on gmail that your want if you don't like defualt background.
Let's to get start follow steps:
1. If we can change we much to log in to dashboard or gmail account before.
This is website for gmail : www.gmail.com or https://mail.google.com/mail
2. On dashboard your account look at setting right click on it
3. Look at the right tap Setting click on it.
4. Clikc Themes
5. Pick your theme bellow(choose theme that you love) and Click button Save
