.top {
	background-image: url(../images/index_01.jpg);
}
.top-left {
	background-image: url(../images/index_02.jpg);
}
.top-mid {
	background-image: url(../images/index_04.jpg);
}
.top-right {
	background-image: url(../images/index_06.jpg);
}
.mid {
	background-image: url(../images/index_07.jpg);
}
.bottom {
	background-image: url(../images/index_08.jpg);
}