Merge pull request #1174 from AndreasK79/modal_css_height_fix

This CSS fix adds a scrollbar to the modal if content height is great…

assets/css/general.css

@@ -242,4 +242,9 @@ color: #ffffff;
         .was-map-dialog .modal-dialog {
             max-width: 73% !important;
         }
-    }
+    }
+
+.modal-body {
+	max-height: calc(100vh - 200px);
+	overflow-y: auto;
+}