.centered-btns_nav {
  z-index: 3;
  position: absolute;
  -webkit-tap-highlight-color: rgba(0,0,0,0);
  top: 50%;
  left: 0;
  opacity: 0.5;
/*  text-indent: -9999px; */
  overflow: hidden;
  text-decoration: none;
  height: 24px;
  width: 24px;
  background-color:var(--orange);
  margin-top: -12px;
  }


.centered-btns_nav:active {
  opacity: 1.0;
  }

.centered-btns_nav.next {
  left: auto;
  background-position: right top;
  right: 0;
  }


.prev:before {
	content:"«";
	position:absolute;
	display:block;
	text-align:center;
	line-height:24px;
	width:24px;
	height:24px;
	color:rgba(255,255,255,1);
	font-size:12px;
	opacity:1;
}
.next:before {
	content:"»";
	position:absolute;
	display:block;
	text-align:center;
	line-height:24px;
	width:24px;
	height:24px;
	color:rgba(255,255,255,1);
	font-size:12px;
	opacity:1;
}