.arrows_ {
	color:white;
	display:inline-block;/* or block */
	position:absolute;
	text-align:center;
	margin-top:5pt;
	left:0;right:0
}

.arrows_:before{
	font-size:.8em;
	position:absolute;
	top:0;
	left:50%;
	border:solid 1pt #ffffff;
	border-radius:10em;
	width:1.3em;
	height:1.3em;
	line-height:1.3em;
	border-color:inherit;
	transition:transform .5s ease-in;
}

.obsah {margin-top:2pt}


.to-top:before {content:'';background:url('/media/im/sipka.svg') no-repeat center center;transform: rotate(180deg); }
.to-bottom:before {content:'';background:url('/media/im/sipka.svg') no-repeat center center}