body {
	
}
#pc {
	text-align: center;
}
#red {
	color: red;
}
#green {
	color:green;
}
#orange {color:orange}
#head {
	border: 1px black solid;
}
#left {
	float: left;
	width: 20%;
}
#right {
	float: left;
	width: 75%;
}
#footer {
	clear: both;
}