background cover png size code example
Example 1: background image size css
#example1 {
background: url(mountain.jpg);
background-repeat: no-repeat;
background-size: auto;
}
#example2 {
background: url(mountain.jpg);
background-repeat: no-repeat;
background-size: 300px 100px;
}
Example 2: how to scale a bg image acc to size of div
/* One way */
background-size: cover;
/* Other option */
background-size: contain;