* {
	margin: 0;
}
html, body {
	height: 100%;
}
.wrapper {
	min-height: 100%;
	height: auto !important;
	height: 100%;
	margin: 0 auto -4em; /* the bottom margin is the negative value of the footer's height */
}


.footer, .push {
	height: 4em; /* .push must be the same height as .footer */
}

/*
.utsukeback .back_left{
	float:left;
}

.utsukeback .back_right{
	float:right;
}
*/