diff --git a/safelist.txt b/safelist.txt
new file mode 100644
index 0000000..d1ed46f
--- /dev/null
+++ b/safelist.txt
@@ -0,0 +1,8 @@
+alignfull
+alignwide
+alignnone
+aligncenter
+alignright
+wp-block-button
+wp-caption
+wp-caption-text