diff --git a/src/xterm.css b/src/xterm.css
index 8f2e43ce..e46f02d0 100644
--- a/src/xterm.css
+++ b/src/xterm.css
@@ -43,7 +43,8 @@
     position: relative;
 }
 
-.terminal.focus {
+.terminal.focus,
+.terminal:focus {
     outline: none;
 }