at the end of the day, it was inevitable

frontend/app/styles/components/sticky-elements/_sticky-elements.scss

@@ -0,0 +1,10 @@
+// Sticky Elements
+
+.scrollable-block {
+  margin-bottom: 50px;
+  overflow: hidden;
+  position: relative;
+  .sticky {
+    z-index: 2;
+  }
+}