style: position continue button inline below content on desktop screens

style.css

@@ -188,6 +188,23 @@ body.has-continue-bar main.container {
   pointer-events: auto;
 }
 
+@media (min-width: 768px) {
+  .container {
+    flex: none;
+  }
+
+  body.has-continue-bar main.container {
+    padding-bottom: 12px;
+  }
+
+  .continue-bar {
+    position: static;
+    padding: 0 20px 40px;
+    background: none;
+    pointer-events: auto;
+  }
+}
+
 /* Back link --------------------------------------------------------------- */
 
 .back-link {