test nav style -- visible nav-explore

preview-src/ui-model.yml

@@ -102,13 +102,13 @@ page:
           urlType: fragment
           items:
             - content: Brand’s Hardware & Software Requirements
-              url: /xyz/5.2/index.html
+              url: "#"
               urlType: internal
             - content: Cu Solet
-              url: "/xyz/5.2/index.html#cu-solet"
+              url: "#"
               urlType: internal
             - content: English + 中文
-              url: "/xyz/5.2/index.html#english+中文"
+              url: "#"
               urlType: internal
         - content: Liber Recusabo
           url: "#liber-recusabo"
@@ -122,5 +122,5 @@ page:
               url: "#"
               urlType: fragment
             - content: Some Code
-              url: "/xyz/5.2/index.html#some-code"
+              url: "#"
               urlType: internal

src/css/nav.css

@@ -233,7 +233,6 @@
 }
 
 .nav-panel-explore {
-  visibility: hidden;
   background: var(--nav-background);
   display: flex;
   flex-direction: column;