make image background html css 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 add background in css

body {
 background-image: url("paper.gif");
 background-color: #cccccc;
}

Example 3: background image css

.wrapper {
    background: url('./images/homeBg.png') no-repeat;
    background-size: 100vw; 
    float: left;
    height: 100vw;
    width: 100vw;
}