#contents {
  	position: relative;
}

#chatBox {
    padding-top: 10px;
	padding-left: 10px;
    padding-bottom: 10px;
	padding-right: 10px;
	height: 300px;
 	overflow: scroll;
}

.contentBox {
  	border: 1px solid black;
  	padding-top: 10px;
 	padding-bottom: 10px;
  	padding-left: 20px;
  	padding-right: 20px;
  	background-color: rgb(255, 255, 255);
}

.mainScreen {
    position: absolute;
  	top: 0px;
  	left: 0px;
    width: 100%;
}