Hide hamburger on desktop (#1237)

* Clean up the duplicate definitions and unnecessary print styling

* Hides the navigation toggle when there's enough room to always display the navigation

* Update lib/rdoc/generator/template/darkfish/css/rdoc.css

---------

Co-authored-by: Stan Lo <[email protected]>

Author: sunblaze

lib/rdoc/generator/template/darkfish/css/rdoc.css

@@ -292,6 +292,14 @@ main {
   main {
     margin-left: var(--sidebar-width);
   }
+
+  .table-of-contents main {
+    margin-left: 20em;
+  }
+
+  #navigation-toggle {
+    display: none;
+  }
 }
 
 main h1[class] {
@@ -311,12 +319,6 @@ main h6 {
   color: var(--highlight-color);
 }
 
-@media (min-width: 1024px) {
-  .table-of-contents main {
-    margin-left: 20em;
-  }
-}
-
 /* Search */
 #search-section {
   padding: 1em;
@@ -514,18 +516,6 @@ main header h3 {
 .hide { display: none !important; }
 .initially-hidden { display: none; }
 
-/* Media Queries */
-@media (min-width: 1024px) {
-  /* Styles for larger screens */
-  .table-of-contents main {
-    margin-left: 20em;
-  }
-}
-
-@media print {
-  /* Print-specific styles */
-}
-
 /* Table of Contents */
 .table-of-contents ul {
   margin: 1em;