add image as background style= code example

Example 1: css background image

background-image: url("image.png");
background-position: center;
background-repeat: no-repeat;
background-size: cover;

Example 2: how to embed a url in html for background

div {
   /* Background pattern from Toptal Subtle Patterns */
   background-image: url("https://amymhaddad.s3.amazonaws.com/morocco-blue.png");
   height: 400px;
   width: 100%;
}