You can also add a background-position attribute to your CSS, with values such as center, left top and right bottom. Add this attribute to make your GIF appear at specific locations in the background.

Google says images styled with CSS won’t be indexed in Image Search, advising developers to use HTML tags for important visuals. CSS background images aren’t indexed by Google Image Search ...

images/ ) to that graphic. This is the only property required in order to place an image in the background. Note that, unlike HTML, the CSS code doesn’t use quotation marks in its path to the image.