diff --git a/conversations.php b/conversations.php
index 9e44f63..b9b8db4 100644
--- a/conversations.php
+++ b/conversations.php
@@ -806,7 +806,7 @@
                             <!-- Quick replies buttons inserted dynamically -->
                         </div>
                     </div>
-                    <button class="btn" id="mic-btn" title="Grabar audio" style="margin-left:6px; background:#f8f9fa; border:1px solid #ddd;">
+                    <button class="btn" id="mic-btn" title="Grabar audio" style="margin-left:6px;  border:1px solid #ddd;">
                         <i class="fas fa-microphone"></i>
                     </button>
                 </div>