.course-banner{height:60vh}.course-banner-overlay{background-color:rgba(0,0,0,.185)}.course-catalogue-art{position:-webkit-sticky;position:sticky;top:30px;height:550px;background-image:url(../img/cherry.5b7568c3.jpg);background-size:cover;background-position:50%;background-repeat:no-repeat;background-color:#142f79}