add background img 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: background image css

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

Example 3: background image css

.selector {
  background-image: url(image.png);
}