diff --git a/htdocs/css/openwebrx.css b/htdocs/css/openwebrx.css
index 5ede36a..3195997 100644
--- a/htdocs/css/openwebrx.css
+++ b/htdocs/css/openwebrx.css
@@ -927,6 +927,7 @@ img.openwebrx-mirror-img
 
     display: flex;
     flex-direction: column;
+    position: relative;
 }
 
 .openwebrx-meta-slot > * {
@@ -944,8 +945,6 @@ img.openwebrx-mirror-img
     display: block;
     content: "";
     background-image: url("../gfx/openwebrx-mute.png");
-    width:100%;
-    height:133px;
     background-position: center;
     background-repeat: no-repeat;
     cursor: pointer;