diff --git a/css/style.css b/css/style.css
index c7cc15a..7da5a55 100644
--- a/css/style.css
+++ b/css/style.css
@@ -1,70 +1,75 @@
-body, html {
-    margin: 0;
-    padding: 0;
-    height: 100%;
+body,
+html {
+  margin: 0;
+  padding: 0;
+  height: 100%;
 }
 
 nav {
-    border-bottom: 2px solid #ccc;
-    margin: 0;
-    grid-area: nav;
+  border-bottom: 2px solid #ccc;
+  margin: 0;
+  grid-area: nav;
+  padding: 0.3em 2em;
 }
 
 ul {
-    margin: 0;
-    padding-left: 10pt;
-    list-style: none;
+  margin: 0;
+  padding-left: 10pt;
+  list-style: none;
 }
 
 ul:nth-child(1) {
-    padding: 1em 1em;
+  padding: 1em 1em;
+}
+
+li:hover {
+    background-color: blue;
 }
 
 li::before {
-    content: '';
-    margin-right: 5pt;
-    width: 1em;
-    height: 1em;
-    display: inline-block;
+  content: "";
+  margin-right: 5pt;
+  width: 1em;
+  height: 1em;
+  display: inline-block;
 }
 li[style]::before {
-    content: '';
-    display: inline-block;
-    background-image: url('../img/arrow-down.svg');
-    background-size: cover;
-    background-repeat: no-repeat;
-    background-position: center;
-    width: 0.7em;
-    height: 0.7em;
-    margin-right: 3pt;
+  content: "";
+  display: inline-block;
+  background-image: url("../img/arrow-down.svg");
+  background-size: cover;
+  background-repeat: no-repeat;
+  background-position: center;
+  width: 0.7em;
+  height: 0.7em;
+  margin-right: 3pt;
 }
 
 .container {
-    display: grid;
-    grid-template-columns: max-content auto;
-    grid-template-rows: 3em auto auto;
-    height: 100%;
-    grid-template-areas: 
+  display: grid;
+  grid-template-columns: max-content auto;
+  grid-template-rows: max-content auto max-content;
+  height: 100%;
+  grid-template-areas:
     "nav nav"
     "aside section"
     "footer footer";
 }
 section {
-    grid-area: section;
+  grid-area: section;
 }
 
 aside {
-    margin: 0;
-    height: 100%;
-    grid-area: aside;
-    overflow-y: scroll;
-    margin-right: 2px solid #ccc;
+  margin: 0;
+  height: 100%;
+  grid-area: aside;
+  overflow-y: scroll;
+  margin-right: 2px solid #ccc;
 }
 
 footer {
-    border-top: 2px solid #ccc;
-    grid-area: footer;
-    text-align: right;
-    padding: 0.3em 2em;
-    
-}
\ No newline at end of file
+  border-top: 2px solid #ccc;
+  grid-area: footer;
+  text-align: right;
+  padding: 0.3em 2em;
+}
diff --git a/index.php b/index.php
index 6180e07..33a1f56 100644
--- a/index.php
+++ b/index.php
@@ -14,7 +14,10 @@
     
 
     <div class="container">
-        <nav></nav>
+        <nav>
+            <button class="clone">Clone</button>
+            <button class="purge">Purge</button>
+        </nav>
         <aside>
             <ul>