.sph {
    background-image: url(/images/sprite.home.png);
	background-repeat: no-repeat;
    display: block;
}

.sph-banner-arrow-right {
    background-position: -10px -1434px;
}

.sph-banner-arrow-left {
    background-position: -10px -1498px;
}

.image-arrow {
	position: absolute;
	top: 50%;
	height: 44px;
    width: 25px;
	cursor: pointer;
	opacity: 0.5;
}
.image-arrow:hover {
	opacity: 1;
}
.image-arrow.image-arrow-left {
	left: -50px;
}
.image-arrow.image-arrow-right {
	right: -50px;
}