diff --git a/templates/Category.j2.html b/templates/Category.j2.html
index e4a9ea0..765a17f 100644
--- a/templates/Category.j2.html
+++ b/templates/Category.j2.html
@@ -12,7 +12,7 @@
 
 {% block pagination %}
 {% if category.paginated %}
-<nav class="pagination">
+<section id="pagination">
     <ol>
         {% for y, url in category.years.items() %}
         {% if (y == category.year) or (not category.year and loop.first) %}
@@ -30,7 +30,7 @@
         {% endif %}
         {% endfor %}
     </ol>
-</nav>
+</section>
 {% endif %}
 {% endblock %}
 
diff --git a/templates/style.css b/templates/style.css
index 54c19fd..41e09a5 100644
--- a/templates/style.css
+++ b/templates/style.css
@@ -8,6 +8,10 @@
   line-height: 1.5em;
 }
 
+article, aside, footer, header, nav, section {
+  display:block;
+}
+
 body {
   color: #eee;
   background-color: #222;
@@ -262,15 +266,18 @@ li p {
   border-bottom-style: solid;
 }
 
+#header {
+  padding: 0.6em 1em;
+}
+
 #header,
 #footer {
   background-color: #111;
-  
-  padding: 0.6em 1em;
 }
 
 #footer {
   text-align: center;
+  padding: 1em;
 }
 
 #header > *,
@@ -279,6 +286,10 @@ li p {
   margin: 0 auto;
 }
 
+.tip {
+  margin: 1em 0 0 0;
+}
+
 #pagination,
 #main {
   margin:0 auto;
@@ -330,7 +341,7 @@ li p {
     display: block;
     float:unset;
   }
-    
+
   #search {
     margin-top: 0.6em;
   }
@@ -345,4 +356,4 @@ li p {
     display: block;
     margin: 0 auto;
   }
-}            
\ No newline at end of file
+}    
\ No newline at end of file