diff --git a/composer.lock b/composer.lock
index 99b99ae948e5336f3372e815cde1bf504918ae08..80d9f10b208bfb2dcb05c7585c0657315ea9ec66 100644
--- a/composer.lock
+++ b/composer.lock
@@ -2130,7 +2130,7 @@
                 },
                 {
                     "name": "Gert de Pagter",
-                    "email": "backendtea@gmail.com"
+                    "email": "BackEndTea@gmail.com"
                 }
             ],
             "description": "Symfony polyfill for ctype functions",
diff --git a/themes/bootstrap3/scss/components/offcanvas.scss b/themes/bootstrap3/scss/components/offcanvas.scss
index d1e1b9a3866bddabbdde352b3378d802cfc6e931..e52919d0bd8059e7acef3cbf4747c03d4d14105d 100644
--- a/themes/bootstrap3/scss/components/offcanvas.scss
+++ b/themes/bootstrap3/scss/components/offcanvas.scss
@@ -3,8 +3,9 @@ $offcanvas-offset: 80vw !default;  // Width of open menu
 .offcanvas-overlay { display: none; }
 
 .search-filter-toggle {
-  @extend .btn;
+  /*@extend .btn;
   @extend .btn-default;
+  */
   margin-top: 1rem;
   margin-bottom: 1rem;
 }
@@ -24,8 +25,12 @@ $offcanvas-offset: 80vw !default;  // Width of open menu
 
   .offcanvas .close-offcanvas { display: block; }
   .search-filter-toggle {
+    /* refs #14565 uncommented by vf 5.1 update
+    grunt says that you may not @extend an outer selector from within @media.
+    @to-do fixing bug
     @extend .btn;
     @extend .btn-default;
+    */
     margin-top: 1rem;
     margin-bottom: 1rem;
   }