cleanup active class generation

.zs/active

@@ -1,5 +1,4 @@
 #!/bin/sh
 
 # sets the 'active' class on an item if the url matches the directory
-urlpath=$(dirname "$ZS_URL")
-test "$1" = $urlpath && printf "active" || true
+if [ "$(dirname "$ZS_URL")" = $1 ]; then printf ' class=active' ''; fi

.zs/layout.html

@@ -1,15 +1,19 @@
 <link href=/style.css rel=stylesheet />
 
-<nav>
-  <a href=jonathan.is>jonathan.is</a>
+<header>
+  <nav>
+    <a href=/>jonathan.is</a>
     <menu>
-    <li class="{{ active writing }}"><a href=/writing  >/writing</a>
-    <li class="{{ active speaking }}"><a href=/speaking >/speaking</a>
-    <li class="{{ active coding }}"><a href=/coding   >/coding</a>
-    <li class="{{ active making }}"><a href=/making   >/making</a>
-    <li class="{{ active working }}"><a href=/working  >/working</a>
-    <li class="{{ active living }}"><a href=/living   >/living</a>
+      <li {{ active writing }}><a href=/writing>/writing</a>
+      <li {{ active speaking }}><a href=/speaking>/speaking</a>
+      <li {{ active coding }}><a href=/coding>/coding</a>
+      <li {{ active making }}><a href=/making>/making</a>
+      <li {{ active working }}><a href=/working>/working</a>
+      <li {{ active living }}><a href=/living>/living</a>
     </menu>
-</nav>
+  </nav>
+</header>
 
+<main>
 {{ content }}
+</main>