html特效代碼 36.在頁(yè)面中如何加入不是滿鋪的背景圖片,拉動(dòng)頁(yè)面時(shí)背景圖不動(dòng)

<STYLE> 

body 

{background-image:url(logo.gif); background-repeat:no-repeat; 

background-position:center;background-attachment: fixed} 

</STYLE>