/* Button Pfeil nach oben */
#back_top {
	position: fixed;
	bottom: 10%;
	margin-left: 95.5%;
}

#back_top span {
	width: 32px;
	height: 32px;
	display: block;
	background: url(../../.././images/button_up.png);
}

/* Button Pfeil nach unten */
#forward_down {
	position: fixed;
	bottom: 15%;
	margin-left: 99.5%;
}

#forward_down span {
 	width: 32px;
	height: 32px;
	display: block;
	background: url(../../.././images/button_down.png);
}