.downscroll {
	font-size:1.3em;
	margin-top:6em;
	display:inline-block;
} /*
.downscroll:after {
	content:'';
	width:40px;
	height:40px;
	position:absolute;
	top:40px;
	margin:auto;
	top:50px;
	right:0;
	bottom:-650px;
	left:0;
	-webkit-animation:3s arrow infinite ease;
	animation:3s arrow infinite ease;
}
.downscroll:after {
	border-right:2px solid #fff;
	border-bottom:2px solid #fff;
	box-shadow: 3px 3px 3px rgba(51, 51, 51, 0.4);
	-ms-transform:rotate(45deg);
	-webkit-transform:rotate(45deg);
	transform:rotate(45deg);
	
}   */
.downscroll::after {
    animation: 3s ease 0s normal none infinite running arrow;
    background: rgba(0, 0, 0, 0) url("http://spbrobert.ru/parallax/images/bg_next_screen.png") repeat scroll 0 0;
    bottom: -650px;
    content: "";
    height: 148px;
    left: 0;
    margin: auto;
    position: absolute;
    right: 0;
    top: 50px;
    width: 66px;
}

@-webkit-keyframes arrow {
	0%,100% {
		top:50px;
	}
	50% {
		top:80px;
	}
} 
@keyframes arrow {
	0%,100% {
		top:50px;
	}
	50% {
		top:80px;
	}
}