added fix for broken 'enroll in class' button on about course page in safari browser full screen

lms/static/js/course_info.js

@@ -8,4 +8,8 @@ $(document).ready(function() {
         $('.tab').slideUp();
         $(data_class + ':hidden').slideDown();
     });
+    var isSafari = !!navigator.userAgent.match(/Version\/[\d\.]+.*Safari/);
+    if (isSafari) {
+        $('.main-cta').addClass('safari-wrapper');
+    }
 });

lms/static/sass/multicourse/_course_about.scss

@@ -8,6 +8,10 @@
     }
   }
 
+  .safari-wrapper {
+    padding-bottom: 200px;
+  }
+
   header.course-profile {
     background: $course-profile-bg;
     background-image: $homepage-bg-image;