The background-image and background-color properties should be used to add background images and colors to HTML elements, with a fallback color for email clients that do not support background images.

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.

The background-image and background-color properties should be used to add background images and colors to HTML elements, with a fallback color for email clients that do not support background images.