diff --git a/core/themes/bartik/css/components/sidebar.css b/core/themes/bartik/css/components/sidebar.css
index 8b56352..d4604e2 100644
--- a/core/themes/bartik/css/components/sidebar.css
+++ b/core/themes/bartik/css/components/sidebar.css
@@ -65,3 +65,21 @@
   background: none;
   border-bottom: 1px solid #d6d6d6;
 }
+
+@media all and (max-width: 850px) {
+  .sidebar .menu {
+    margin-top: -0.8em;
+  }
+  .sidebar .menu-item {
+    padding-top: 0;
+  }
+  .sidebar .menu-item a {
+    display: block;
+    padding: 0.7em;
+    border-bottom: solid 1px #e4e4e4;
+  }
+  .sidebar .menu-item a:hover,
+  .sidebar .menu-item a:focus {
+    background-color: #e3e3e3;
+  }
+}