We all know that Google is the "Most Popular Search Engine" used to browse content across the web.
It looks very simple with a white background, but still we can still imagine Google with a handsome Background. Its Very simple to change the Wallpaper of Google.
First thing you need to do : Login to your Gmail account then go to Google.com.
On the Left Side Bottom of the page you should see a Option " Change background Image" , click on that.
Then Select your background which you require and click on "Select" to apply the Background.
That's it now a new Background is applied for your Google homepage
