#wrapper{
	margin:0 auto;
	width:900px; 
	position:relative;
}

/*Стилизация кнопки ВВЕРХ */
#back-top{	
	position: fixed; 
	bottom:10px;
	right:120px;
	margin-left:400px
}

#back-top a{
	width:64px;
	display:block;
	text-align:center;
	font:11px/100% Arial, Helvetica, sans-serif;
	text-transform:uppercase;
	text-decoration:none;
	color:#bbb;
	/* background color transition */
	-webkit-transition:1s;
	-moz-transition:1s;
	transition:1s;
}

#back-top a:hover{color:#000;}

#back-top span{
	width:64px;
	height:64px;
	  display:block;
	margin-bottom:7px;
	background:#ddd url(up-arrow.png) no-repeat center center;
	/* rounded corners */
	-webkit-border-radius:15px;
	-moz-border-radius:15px;
	border-radius:15px;
	/* background color transition */
	-webkit-transition:1s;
	-moz-transition:1s;
	transition:1s;
}

#back-top a:hover span{background-color:#777}