diff --git a/IPython/html/static/terminal/less/terminal.less b/IPython/html/static/terminal/less/terminal.less
index 9c3f175..3f60d69 100644
--- a/IPython/html/static/terminal/less/terminal.less
+++ b/IPython/html/static/terminal/less/terminal.less
@@ -1,4 +1,4 @@
-body.terminal-app {
+.terminal-app {
background: @page-backdrop-color;
#header {