body {
  color: black;
  background-color: white;
  
}

#wrapper {
	position: absolute;
	background-color: cyan;
	width: 900px;
	margin: auto;
	border-width: 5px;
	border-color: black
	border-style: solid;
}


#heading {
  position: absolute;
  width: 900px;
  top: 20px;
  background-color: #cfa125;
  border-width: 5px;
  border-color: black;
  border-style: solid;
}

#aside {
  position: absolute;
  top: 80px;
  width: 25%;
  height: 230px;
  background-color: #62a5c4;
  border-width: 5px;
  border-color: black;
  border-style: solid;
}

#main {
  position: absolute;
  top: 80px;
  left: 30%;
  width: 70%;
  height: 230px;
  background-color: #97cc5a;
  border-width: 5px;
  border-color: black;
  border-style: solid;
 }
 
 #footer {
  position: absolute;
  top: 400px;
  width: 400px;
  background-color: cyan;
  border-width: 5px;
  border-color: black;
  border-style: solid;
}