diff --git a/index.html b/index.html
index 24a7359..a03f417 100644
--- a/index.html
+++ b/index.html
@@ -108,7 +108,7 @@ <h2 id="landing-mcp-title">Build maps with Codex or Claude.</h2>
       <div id="sidepanel">
         <div id="brush-panel" class="panel">
           <div class="panel-header">Objects</div>
-          <div class="panel-body" id="brush-body">
+          <div class="panel-body brush-panel-body" id="brush-body">
             <select id="brush-panel-mode"><option value="all">All Objects</option><option value="brushes">Brushes</option><option value="patches">Patches</option><option value="entities">Entities</option></select>
           </div>
         </div>
diff --git a/src/style.css b/src/style.css
index 1153b13..97cee46 100644
--- a/src/style.css
+++ b/src/style.css
@@ -1432,7 +1432,7 @@ body.sidepanel-resizing * {
   flex: 0 0 auto;
 }
 
-#brush-body {
+.brush-panel-body {
   display: flex;
   flex-direction: column;
   min-height: 0;