#education-banner{
     background-image:-webkit-gradient(linear, left top, left bottom, from(rgba(0, 0, 0, 0.3)), to(rgba(0, 0, 0, 0.3))),url(../images/teens3.jpg);
     background-image:-webkit-linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.3)),url(../images/teens3.jpg);
     background-image:-o-linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.3)),url(../images/teens3.jpg);
     background-image:linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.3)),url(../images/teens3.jpg);
	 background-attachment: fixed;
     background-size: cover;
     background-repeat: no-repeat;
     background-position: center;
}
 #aside-teacher{
     background-image:url(../images/community1.jpg);
	 background-size: cover;
     background-repeat: no-repeat;
     background-position: center;
}
 #aside-researcher{
     background-image:url(../images/professor1.jpg);
	 background-size: cover;
     background-repeat: no-repeat;
     background-position: center;
}