diff --git a/assets/css/screen_media_large.css b/assets/css/screen_media_large.css
new file mode 100644
index 0000000..4781a7d
--- /dev/null
+++ b/assets/css/screen_media_large.css
@@ -0,0 +1,22 @@
+@media screen and (max-width: 1199px) {
+    aside > #sidebar-menu {
+    display: none;
+    }
+    
+    .hamburger-menu {
+    display: inline;
+    }
+
+    .main_with_sidebar {
+    display:block;
+    width: 100%; 
+    margin: auto;
+      }
+  }
+
+@media screen and (min-width: 1200px) {
+  .hamburger-menu {
+     display: none;
+   }
+   
+ }
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