Navbar pos fixed

Author: peterkos

sass/main.scss

@@ -123,7 +123,7 @@ nav {
     justify-content: space-between;
     font-size: $nav-fontsize;
     height: $nav-height;
-    position: absolute;
+    position: fixed;
     top: 0;
     left: 0;
     right: 0;