diff --git a/core/src/main/scala/org/apache/spark/deploy/history/HistoryPage.scala b/core/src/main/scala/org/apache/spark/deploy/history/HistoryPage.scala
index 3fee22e39166a62179b75c02d4767cae06e79a3b..513b81315b3d2f4bbf711a7acef910fa0ef585c6 100644
--- a/core/src/main/scala/org/apache/spark/deploy/history/HistoryPage.scala
+++ b/core/src/main/scala/org/apache/spark/deploy/history/HistoryPage.scala
@@ -35,7 +35,7 @@ private[history] class HistoryPage(parent: HistoryServer) extends WebUIPage("")
 
     val providerConfig = parent.getProviderConfig()
     val content =
-      <div class="row-fluid">
+      <div>
           <div class="span12">
             <ul class="unstyled">
               {providerConfig.map { case (k, v) => <li><strong>{k}:</strong> {v}</li> }}