diff --git a/theme/style.less b/theme/style.less
index 9b5f6b05..a637bcd1 100644
--- a/theme/style.less
+++ b/theme/style.less
@@ -33,6 +33,10 @@
     &:extend(.ui.blue.button all);
 }
 
+.ui.button.exit-tutorial-btn {
+    &:extend(.ui.blue.button all);
+}
+
 #filelist, #editortools {
     background: #fff url(https://az742082.vo.msecnd.net/pub/psopafpj) 0 0 repeat !important;
 }