#all:hover ul li a:hover:nth-child(1) { background: #ffffff no-repeat; } #all:hover ul li a:hover:nth-child(3) { background: #bbbbbb no-repeat; }
#all:hover ul li a:hover:nth-child(4)
/img/background.jpg") no-repeat center center fixed; -moz-background-size/img/ff.jpg") no-repeat center center fixed;.background-1 {
background: url("../img/ddd.jpg") no-repeat cente