.scrollup{
width:65px;
height:65px;
opacity:0.3;
position:fixed;
bottom:50px;
left:50px;
display:none;
text-indent:-9999px;
z-index: 9999;
}
@media screen and (max-width: 480px){
	.scrollup{
		width: 40px;
		height: 40px;
		left: 20px;
	}
}