.zoomInOn, .zoomInOff, .zoomOutOn, .zoomOutOff, .closeButton {
	width: 60px;
	height: 60px;
	display: block;
	position: absolute;
	-webkit-user-select: none;
	-moz-user-select: none;
	-ms-user-select: none;
	user-select: none;
        z-index: 100;
}
.zoomInOn, .zoomInOff {
	      background-image: url(../images/plus_btn.png);
	background-size:cover;
	top: 10px;
	left: 10px;
        z-index: 100;
}
.zoomOutOn, .zoomOutOff {
	     background-image: url(../images/minus_btn.png);
	background-size:cover;
	top: 82px;
	left: 10px;
        z-index: 100;
}
.zoomInOn, .zoomOutOn {
	opacity: 1;
	cursor: pointer;
        z-index: 100;
}
.zoomInOff, .zoomOutOff {
	opacity: .3;
	cursor: auto;
        z-index: 100;
}