Установка самой кнопки:
В CSS кидаем:
Код
#scroll_to
{
/* display: block before hiding */
display: block;
display: none;
z-index: 999;
opacity: .8;
position: fixed;
top: 100%;
margin-top: -80px;
left: 90%;
margin-left: -80px;
-moz-border...
{
/* display: block before hiding */
display: block;
display: none;
z-index: 999;
opacity: .8;
position: fixed;
top: 100%;
margin-top: -80px;
left: 90%;
margin-left: -80px;
-moz-border...