.moji12px {  font-size: 12px}
.moji10px {  font-size: 10px}
#top {
	background-color: #000000;
	height: 50px;
	width: 100%;
}
#under {
	background-color: #000000;
	background-position: bottom;
	height: 20px;
	width: 100%;
	position: absolute;
}
#main {
	width: auto;
	margin-top: 10%;
	margin-bottom: 5%;
}