Answers for "how to add a background image css file to html"

add background image in css

.w {
background-image: url("images/tom1.png");
}

.a {
background-image: url("images/tom2.png");
}

.s {
background-image: url("images/tom3.png");
}

ho to add background image in css

body {
  background-image: url("img_tree.gif"), url("paper.gif");

    background-color: #cccccc;
}