diff --git a/netbox/templates/dcim/device/render_config.html b/netbox/templates/dcim/device/render_config.html
index 2c4b2503d..dfda7cdf6 100644
--- a/netbox/templates/dcim/device/render_config.html
+++ b/netbox/templates/dcim/device/render_config.html
@@ -28,7 +28,7 @@
     </div>
     <div class="col-7">
       <div class="card">
-        <div class="accordion" id="renderConfig">
+        <div class="accordion accordion-flush" id="renderConfig">
           <div class="card-body">
             <div class="accordion-item">
               <h2 class="accordion-header" id="renderConfigHeading">