body{
margin:0 auto;
text-align: center;
}
#global{
	width :80%;
	height :100%;
	background-color: Aqua;
	}
#colunadireita{
	width :228px;
	height :100%;
	background-color : Blue;
	float : left;
}
#colunaesquerda{
	width :578px;
	height: 100%;
	float : left;
	background-color: Black;
}
#menu{
	width :220px;
	height :768px;
	background-color : green;
	float : left;
}
#conteudo{
	width :780px;
	float : right;
	padding-top: 5px;
	padding-left: 5px;
	}