background-size
background-size
background-size:32px 32px
background-size:100% 100%
-moz-background-size
-moz-background-size:32px 32px
-moz-background-size:100% 100%
-webkit-background-size
-webkit-background-size:32px 32px
-webkit-background-size:100% 100%
CSS Practice