h1 {
position: relative;
z-index: 2;
border: solid red 5px;
width: 540px;
height: 0;
margin: 110px auto 15px;
padding: 230px 0 0;
overflow: hidden;
xxxxborder: 1px solid;
background-image: url(/aone2/images/error/404_2.jpg?_av_=12282105);
background-repeat: no-repeat;
}效果圖：
