diff --git a/packages/local/rambox-default-theme/sass/etc/all.scss b/packages/local/rambox-default-theme/sass/etc/all.scss
index 059c5d40..a80159ad 100644
--- a/packages/local/rambox-default-theme/sass/etc/all.scss
+++ b/packages/local/rambox-default-theme/sass/etc/all.scss
@@ -4,6 +4,10 @@
 
 $base-color: #2E658E;
 $font-family: 'Roboto', sans-serif;
+$include-ie: false;
+$include-ff: false;
+$include-safari: false;
+$include-opera: false;
 
 // Spinner
 body {
diff --git a/packages/local/rambox-default-theme/sass/var/button/Button.scss b/packages/local/rambox-default-theme/sass/var/button/Button.scss
new file mode 100644
index 00000000..d856ac15
--- /dev/null
+++ b/packages/local/rambox-default-theme/sass/var/button/Button.scss
@@ -0,0 +1,5 @@
+
+$button-toolbar-inner-border-color: none;
+$button-toolbar-inner-border-color-focus: none;
+$button-toolbar-inner-border-color-focus-over: none;
+$button-toolbar-inner-border-color-focus-pressed: none;