.page-back {
 position: fixed;
 bottom: 10px;
 right: 0px;
}

/* IE6—pƒnƒbƒN */
* html, * html body {
 margin: 0;
 padding: 0;
 width: 100%;
 height: 100%;
 overflow-y: hidden;
}
 * html div#body-inner {
 height: 100%;
 overflow-y: scroll;
}
 * html div.page-back {
 position: absolute;
 right: 30px;
}