diff --git a/themes/wporg-5ftf/css/utilities/_alignfull.scss b/themes/wporg-5ftf/css/utilities/_alignfull.scss
index 00fe6e2..0621e2e 100644
--- a/themes/wporg-5ftf/css/utilities/_alignfull.scss
+++ b/themes/wporg-5ftf/css/utilities/_alignfull.scss
@@ -2,7 +2,7 @@ html {
 	overflow-x: hidden;
 }
 
-.alignfull {
+.entry-header .alignfull {
 	margin-left: calc(50% - 50vw);
 	margin-right: calc(50% - 50vw);
 	max-width: 100vw;