.chat {
	float: right;
	height: 400px;
	width: 260px;
}
.main2 .chatboxbig {
	height: 680px;
	width: 1020px;
	padding-top: 20px;
}
.main2 .chatboxbig .chatbackground {
	background-color: #666;
	height: 700px;
	width: 1020px;
	margin-right: auto;
	margin-left: auto;
}