sticky documentation navigation

src/sass/css/style.scss

@@ -540,6 +540,11 @@ svg {
     margin-top: 0;
     padding-top: 20px;
     padding-bottom: 20px;
+
+    @media screen and (min-width: 1080px) and (max-resolution: 1x) {
+        position: sticky;
+        top: 0;
+    }
 }
 
 /* Responsive 1080px