TD.area-next-column, TD.area-prev-column {
    width: 20px;
}

.area-next-arrow {
    position: relative;
    top: 50%;
    left: 50%;
    transform: translateY(-11px) translateX(-12px);
    height: 23px;
    width: 11px;
    box-sizing: border-box;
    overflow: hidden;
}

.area-prev-arrow {
    position: relative;
    top: 50%;
    left: 50%;
    transform: translateY(-11px) translateX(0px);
    height: 23px;
    width: 11px;
    box-sizing: border-box;
    overflow: hidden;
}

.area-prev-arrow {
	oright: 0%;
	otransform: translateY(-11px);
}
.area-prev-arrow IMG {
	vertical-align: baseline;				/* bootstrap */
}
.area-next-arrow {
	oleft: 0%;
	otransform: translateY(-11px);
}
.area-next-arrow IMG {
	vertical-align: baseline;				/* bootstrap */
}