.navi .default_prev {
	width:42px;
	height:42px;
	background:url(core/widget/navi/default_prev/button.png) no-repeat center center;
	cursor:pointer;
	opacity:1;
}
.navi .default_prev:hover	{
	opacity:0.8;
}
.navi .default_prev a	{
	display:block;
}