diff --git a/lib/jasmine-core/jasmine.css b/lib/jasmine-core/jasmine.css
index 6543aab4..81dd5b3e 100644
--- a/lib/jasmine-core/jasmine.css
+++ b/lib/jasmine-core/jasmine.css
@@ -1,7 +1,7 @@
 @charset "UTF-8";
 body { overflow-y: scroll; }
 
-.jasmine_html-reporter { background-color: #eee; padding: 5px; margin: -8px; font-size: 11px; font-family: Monaco, "Lucida Console", monospace; line-height: 14px; color: #333; }
+.jasmine_html-reporter { width: 100%; background-color: #eee; padding: 5px; margin: -8px; font-size: 11px; font-family: Monaco, "Lucida Console", monospace; line-height: 14px; color: #333; }
 
 .jasmine_html-reporter a { text-decoration: none; }