diff --git a/index.html b/index.html
index 40fcda6..eb8cb4e 100644
--- a/index.html
+++ b/index.html
@@ -88,14 +88,14 @@
     <main class="page container">
         <h1 class="visually-hidden">Wavelovers</h1>
         <div class="wavelovers">
-            <div id="pattern-box" class="content pattern-box">
+            <div id="pattern-box" class="content-item pattern-box">
                 <div id="pattern-list" class="pattern-list">
                     <div class="message">
                         <span>Loading...</span>
                     </div>
                 </div>
             </div>
-            <div id="device-box" class="content">
+            <div id="device-box" class="content-item">
                 <div class="message">
                     <span id="message"></span>
                 </div>