diff --git a/404.html b/404.html
index 71fec53e..5d9730c8 100644
--- a/404.html
+++ b/404.html
@@ -165,8 +165,12 @@
         }
         .block {
             background-color: #EEE;
+            margin: 0 0 0.75rem;
             padding: 1.5rem;
         }
+        .block--ad {
+            padding: 0.75rem;
+        }
         @media (min-width: 600px) {
             body {
                 display: flex;
@@ -189,6 +193,8 @@
             <input type="text" id="search" class="search-field" autofocus>
             <p><strong>SVG icons for popular brands.</strong> Contributions, corrections &amp; requests can be left on <a href="https://github.com/danleech/simple-icons">GitHub</a>. Company logos in icons are copyright of their respective owners. Distributed for free by <a href="https://twitter.com/bathtype">Dan Leech</a> under the Free Art License.</p>
             <p><a href="https://github.com/danleech/simple-icons" class="button">Download</a></p>
+        </div>
+        <div class="block block--ad">
             <script async type="text/javascript" src="https://cdn.carbonads.com/carbon.js?zoneid=1696&serve=CVYD42T&placement=simpleiconsorg" id="_carbonads_js"></script>
         </div>
     </header>
diff --git a/index.html b/index.html
index 71fec53e..5d9730c8 100644
--- a/index.html
+++ b/index.html
@@ -165,8 +165,12 @@
         }
         .block {
             background-color: #EEE;
+            margin: 0 0 0.75rem;
             padding: 1.5rem;
         }
+        .block--ad {
+            padding: 0.75rem;
+        }
         @media (min-width: 600px) {
             body {
                 display: flex;
@@ -189,6 +193,8 @@
             <input type="text" id="search" class="search-field" autofocus>
             <p><strong>SVG icons for popular brands.</strong> Contributions, corrections &amp; requests can be left on <a href="https://github.com/danleech/simple-icons">GitHub</a>. Company logos in icons are copyright of their respective owners. Distributed for free by <a href="https://twitter.com/bathtype">Dan Leech</a> under the Free Art License.</p>
             <p><a href="https://github.com/danleech/simple-icons" class="button">Download</a></p>
+        </div>
+        <div class="block block--ad">
             <script async type="text/javascript" src="https://cdn.carbonads.com/carbon.js?zoneid=1696&serve=CVYD42T&placement=simpleiconsorg" id="_carbonads_js"></script>
         </div>
     </header>
diff --git a/src/header.html b/src/header.html
index b5a3fac1..0d619a4e 100644
--- a/src/header.html
+++ b/src/header.html
@@ -165,8 +165,12 @@
         }
         .block {
             background-color: #EEE;
+            margin: 0 0 0.75rem;
             padding: 1.5rem;
         }
+        .block--ad {
+            padding: 0.75rem;
+        }
         @media (min-width: 600px) {
             body {
                 display: flex;
@@ -189,6 +193,8 @@
             <input type="text" id="search" class="search-field" autofocus>
             <p><strong>SVG icons for popular brands.</strong> Contributions, corrections &amp; requests can be left on <a href="https://github.com/danleech/simple-icons">GitHub</a>. Company logos in icons are copyright of their respective owners. Distributed for free by <a href="https://twitter.com/bathtype">Dan Leech</a> under the Free Art License.</p>
             <p><a href="https://github.com/danleech/simple-icons" class="button">Download</a></p>
+        </div>
+        <div class="block block--ad">
             <script async type="text/javascript" src="https://cdn.carbonads.com/carbon.js?zoneid=1696&serve=CVYD42T&placement=simpleiconsorg" id="_carbonads_js"></script>
         </div>
     </header>