Bring up to date with master

src/web/html/index.html

@@ -191,7 +191,7 @@
                     <ul id="rec-list" class="list-area no-select"></ul>
 
                     <div id="controls" class="no-select">
-                        <div class="d-flex align-items-center">
+                        <div id="controls-content" class="d-flex align-items-center">
                             <button type="button" class="mx-2 btn btn-lg btn-secondary" id="step" data-toggle="tooltip" title="Step through the recipe">
                                 Step
                             </button>