core: make nav bar actually a nav bar and side by side with content

default.css

@@ -6,6 +6,7 @@
 
 body {
     font-family: Arial, sans-serif;
+    font-weight: 800;
     color: #06CDFF;
     background: #03001C;
     line-height: 1.5;
@@ -14,14 +15,33 @@ body {
 }
 
 .inside {
-    max-width: 80rem;
+    max-width: 45rem;
     margin: 0 auto;
     padding: 2rem 1.5rem;
 }
 
-#navigation {
+nav {
     padding: 1rem;
     text-align: center;
+    width: 6rem;
+}
+
+.gap {
+    width: 3rem;
+}
+
+.content {
+    width: 36rem;
+    text-align: right;
+}
+
+@media screen and (max-width: 600px) {
+    .column {
+        width: 100%;
+    }
+    .gap {
+        visibility: hidden;
+    }
 }
 
 .trianta {