diff --git a/src/wp-includes/js/mediaelement/wp-mediaelement.css b/src/wp-includes/js/mediaelement/wp-mediaelement.css
index 707b48683c..c8a08194e1 100644
--- a/src/wp-includes/js/mediaelement/wp-mediaelement.css
+++ b/src/wp-includes/js/mediaelement/wp-mediaelement.css
@@ -1,5 +1,6 @@
 .mejs-container {
 	clear: both;
+	max-width: 100%;
 }
 
 .mejs-container * {
@@ -13,6 +14,11 @@
 	background: #222;
 }
 
+.mejs-time {
+	font-weight: normal;
+	word-wrap: normal;
+}
+
 .mejs-controls a.mejs-horizontal-volume-slider {
 	display: table;
 }