.classroom_container {
				width: 900px;
				margin-left: auto;
				margin-right: auto;
				/*background-color: #09C;*/
			}
			.classroom_inner_container {
				float: left;
				position: relative;
			}
			.instructor_container {
				width: 340px;
				background-color:#F0BA32;
				padding: 15px 20px 20px 20px;
			}
			.video_feed_instructor {
				width: 340px;
				height: 270px;
				background: black;
				margin-left: auto;
				margin-right: auto;
				margin-top: 5px;
			}
			.instructor_button_container {
				width: 340px;
				height: 50px;
				margin-top: 10px;
				margin-left: auto;
				margin-right: auto;
			}
			.instructor_rate_button {
				width: 187px;
				height: 50px;
				background-repeat: no-repeat;
				background-position: 5px 5px;
				position: relative;
				line-height: 50px;
				font-size: 28px;
				text-align: center;
				padding-right: 10px;
				font-weight: bold;
				float: right;
			}
			.instructor_rating {
				background-color: green;
				font-weight: bold;
				padding-right: 10px;
				width: 120px;
				height: 50px;
				background-repeat: no-repeat;
				background-position: 5px 5px;
				position: relative;
				line-height: 50px;
				font-size: 40px;
				text-align: right;
			}
			.instructor_good_img {
				float: left;
				background-image: url('../img/rating_good.png');
				
			}
			.instructor_bad_img {
				float: right;
				background-image: url('../img/rating_bad.png');
			}
			.students_container {
				background-color: #F0BA32;
				margin-top: 30px;
				width: 360px;
				padding: 10px;
				padding-bottom: 20px;
				overflow-y: overlay;
			}
			.student_container {
				width: 150px;
				float: left; 
				padding: 5px 15px;
				position: relative;
			}
			.student_name {
				font-size: 12px;
			}
			.video_feed_student {
				width: 150px;
				height: 100px;
				background-color: black;
			}
			.classroom_labels {
				font-weight: bold;
				font-family: Helvetica;
				text-align: left;
				color: #313133;
			}
			
			.classroom_right_container {
				width: 500px;
				margin-left: 20px;
			}
			
			.blackboard_container {
				background-color: #F0BA32;
				width: /*420px*/ 460px;
				height: 353px;
				/*padding: 20px 40px 30px 40px;*/
				padding: 15px 20px 20px 20px;
			}
			.textchat_container {
				background-color: #F0BA32;
				margin-top: 30px;
				width: 460px;
				height: 227px;
				padding: 15px 20px 20px 20px;
			}
			.blackboard_module {
				width: /*420*/460px;
				height: 330px;
				margin-top: 5px;
				background-color: white;
			}
			.textchat_module {
				margin-top: 5px;
				width: 460px;
				height: 208px;
			}
			.textchat_output {
				position: relative;
			    width: 440px;
			    height: 150px;
			    padding: 10px;
			    border: none;
			    background-color: white;
			    outline: none;
			    font-size: 14px;
			}
			.textchat_input {
				outline: none;
			    font-size: 18px;
			    width: 406px;
			    padding: 5px;
			    float: left;
			    padding-right: 45px;
			}
			#chat_submit {
				position: relative;
				background-color:white;
			    background-image: url('../img/chat.png');
			    background-size: 65%;
			    background-repeat:no-repeat;
			    background-position: 16px 2px;
			    border: none;
			    cursor: pointer;
			    width: 50px;
			    height: 31px;
			    margin-left: 405px;
			    margin-top: -35px;
			}
			
			.container_classroom_header {
				margin-top: -30px;
				margin-bottom: 30px;
			}
			.container_classroom_header_title {
				float: right;
				margin-top: 34px;
				font-weight: bold;
				font-size: 24px;
			}