diff --git a/css/80_app.css b/css/80_app.css
index e594f260a..7ff2cfe4e 100644
--- a/css/80_app.css
+++ b/css/80_app.css
@@ -447,7 +447,6 @@ button[disabled].action:hover {
     margin: 0 5px;
 }
 .tool-group button {
-    display: flex;
     flex: 1 1 auto;
     flex-flow: row nowrap;
     align-items: center;