homepage: Allow an URL for categories

hm/desktop/browser/homepage.css

@@ -5,7 +5,7 @@ html {
 
 body {
   font: 20px Helvetica, sans-serif;
-  padding: 5% 0;
+  padding: 2.5% 0;
 }
 
 
@@ -18,7 +18,7 @@ h1, h2 {
     display: none;
 }
 
-nav div, nav a {
+nav a {
     background: rgba(255, 255, 255, 0.8);
     width: 110px;
     height: 100px;
@@ -39,13 +39,13 @@ nav div, nav a {
         position: relative;
     }
 
-    nav div {
+    nav .main {
         position: absolute;
         left: -130px;
     }
 }
 
-nav div img {
+nav img {
     margin: auto;
     max-width: 90%;
     max-height: 70%;
@@ -81,5 +81,6 @@ nav a span {
     display: block;
     margin-top: .55em;
     font-weight: 400;
+    line-height: 1.1;
 }