diff --git a/src/environments/thmstyle/thmstyle.dtx b/src/environments/thmstyle/thmstyle.dtx
index b45ce7a..d064fc1 100644
--- a/src/environments/thmstyle/thmstyle.dtx
+++ b/src/environments/thmstyle/thmstyle.dtx
@@ -382,6 +382,7 @@
       \DeclareFancyThmStyle[orange!10]{orange}[thmorangemarginandfill]
       \DeclareFancyThmStyle[blue!7]{blue}[thmbluemarginandfill]
       \DeclareFancyThmStyle{green!70!black}[thmgreenmargin]
+      \DeclareFancyThmStyle[green!10]{green!70!black}[thmgreenmarginandfill]
       \DeclareFancyThmStyle{gold}[thmgoldmargin]
       \DeclareFancyThmStyle{yellow!80!orange}[thmyellowmargin]
       \DeclareFancyThmStyle{gray}[thmgraymargin]