diff --git a/css/horizontal-menu.css b/css/horizontal-menu.css
index 8b13789..f53d203 100644
--- a/css/horizontal-menu.css
+++ b/css/horizontal-menu.css
@@ -1 +1,15 @@
+#menu.horizontal {
+  width: 100%;
+  display: inline-block;
+  margin-bottom: 5px;
+}
 
+#menu.horizontal ul {
+  padding: 0;
+  margin: 0;
+}
+
+#menu.horizontal ul li {
+  float: left;
+  margin-left: 5px;
+}