/* стрелка вверх */
.scrollTop{  
     background:url(../images/arrows2.png) 0 0 no-repeat;
	 display:block;
	 width:50px;
	 height:50px;
     position:fixed;
	 bottom:2px;
	 left:74%;  
     z-index:2000;  
}
   
.scrollTop:hover{
	background-position:0 -59px;
}