diff --git a/wp-content/themes/twentytwelve/style.css b/wp-content/themes/twentytwelve/style.css
index 1f30f0c703..f13d08cd89 100644
--- a/wp-content/themes/twentytwelve/style.css
+++ b/wp-content/themes/twentytwelve/style.css
@@ -453,6 +453,12 @@ a:hover {
 /* Page structure */
 .wrapper {
 	overflow: hidden;
+	-moz-hyphens: auto;
+	-ms-word-break: break-all;
+	-webkit-hyphens: auto;
+	hyphens: auto;
+	word-break: break-all;
+	word-break: break-word;
 }
 .site {
 	padding: 0 24px;