#container {
	float: left;
	height: 600px;
	width: 70%;
	margin-left: 15%;
	/* using  margins means you must use both left and right manual... */
	background-color: maroon;
	border-radius: 100px;
	/* this is more specific by id */
}

div  {
	 border-radius: 10px;
 }

 #header  {
 height: 100px;
 float: left;
 clear: both;
 margin-left:  15%;
 width: 70%;
 background-color: darkgrey;
}

.textarea {
height: 400px;
float: left;
clear: both;
margin-left: 15%;
width: 70%;
background-color: black;
}

/*  please design a new class for menus, good name is submenu  */

.menu {
	height: 
	float:
	clear:
	margin-left
	width
	background-color;