Make the apply button always visible

htdocs/css/admin.css

@@ -5,12 +5,24 @@ html, body {
     height: unset;
 }
 
+body {
+    margin-bottom: 57px;
+}
+
 hr {
-    background: gray;
+    background: #444;
 }
 
 .buttons {
+    position: fixed;
+    bottom: 0;
+    left: 0;
+    right: 0;
+    background-color: #222;
+    z-index: 2;
+    padding: 10px;
     text-align: right;
+    border-top: 1px solid #444;
 }
 
 .row .map-input {

owrx/controllers/settings/__init__.py

@@ -57,8 +57,8 @@ class SettingsFormController(AuthorizationMixin, WebpageController, metaclass=AB
         return """
             <form class="settings-body" method="POST">
                 {sections}
-                <div class="buttons">
-                    <button type="submit" class="btn btn-primary">Apply</button>
+                <div class="buttons container">
+                    <button type="submit" class="btn btn-primary">Apply and save</button>
                 </div>
             </form>
         """.format(