html,
body {
  height: 100%;
  text-align:center;
}

body {
  -ms-flex-align: center;
  align-items: center;
  padding-top: 40px;
  padding-bottom: 40px;
  background-color: #f5f5f5;
}
.main-course{
  width: 100%;
  height:450px;
  padding: 15px;
  margin:80px auto;
}
.main {
  width: 100%;
  height:350px;
  padding: 15px;
  margin:80px auto 0;
}
.panel{
	width:200px;
	margin-left:10px;
	margin-top:15px;
}
.elective{
	width:450px;
	margin:0 auto;
}
.course{
	width:650px;
	margin:0 auto;
}
.footer{
	width:100%;
	height:30px;
	float:left;
}