diff --git a/src/index.php b/src/index.php
index 31dca57..07b6cc4 100644
--- a/src/index.php
+++ b/src/index.php
@@ -149,8 +149,8 @@
             
             <article id="picfxs" style="display: none;"><details><summary>Filters</summary>
             
-            <details role="list">
-                <summary aria-haspopup="listbox">Rotate & Flip</summary>
+            <details class="dropdown">
+                <summary>Rotate & Flip</summary>
                 <ul role="listbox">
                   <li>
                     <label for="transforms-none">
@@ -191,8 +191,8 @@
                 </ul>
               </details>
             
-              <details role="list">
-                <summary aria-haspopup="listbox">Effects</summary>
+              <details class="dropdown">
+                <summary>Effects</summary>
                 <ul role="listbox">
                   <li>
                     <label>
@@ -215,7 +215,7 @@
                 </ul>
               </details>
               
-              <details role="list">
+              <details class="dropdown">
                 <summary aria-haspopup="listbox">Colorization</summary>
                 <ul role="listbox">
                   <li>