SAK-51242 Gradebook fix student review mode styling (#13552)

Author: ottenhoff

gradebookng/tool/src/java/org/sakaiproject/gradebookng/tool/panels/StudentGradeSummaryPanel.html

@@ -30,15 +30,15 @@
 				<div class="modal-dialog">
 					<div class="modal-content">
 						<div class="modal-header">
-							<button type="button" class="close" data-bs-dismiss="modal" aria-label="Close"><span aria-hidden="true">&#215;</span></button>
 							<h3 class="modal-title"><wicket:message key="label.studentsummary.closeconfirmation.title" /></h3>
+							<button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
 						</div>
 						<div class="modal-body">
 							<p><wicket:message key="label.studentsummary.closeconfirmation.content" /></p>
 						</div>
 						<div class="modal-footer">
-							<button type="button" class="btn btn-link button_color btn-student-summary-continue" data-bs-dismiss="modal"><wicket:message key="label.studentsummary.closeconfirmation.continue" /></button>
-							<button type="button" class="btn btn-link btn-student-summary-cancel" data-bs-dismiss="modal"><wicket:message key="label.studentsummary.closeconfirmation.cancel" /></button>
+							<button type="button" class="btn btn-primary btn-student-summary-continue" data-bs-dismiss="modal"><wicket:message key="label.studentsummary.closeconfirmation.continue" /></button>
+							<button type="button" class="btn btn-secondary btn-student-summary-cancel" data-bs-dismiss="modal"><wicket:message key="label.studentsummary.closeconfirmation.cancel" /></button>
 						</div>
 					</div>
 				</div>