diff --git a/about.html b/about.html
index f050d1e..a3960be 100644
--- a/about.html
+++ b/about.html
@@ -31,7 +31,7 @@
   <body id="about-page-body">
 
     <!-- Navigation -->
-    <nav class="navbar navbar-expand-lg navbar-dark fixed-top" id="mainNav">
+    <nav class="navbar navbar-expand bg-dark fixed-top" id="mainNav">
       <div class="container">
         <a class="navbar-brand js-scroll-trigger" href="index.html">StreamIt</a>
         <button class="navbar-toggler navbar-toggler-right" type="button" data-toggle="collapse" data-target="#navbarResponsive" aria-controls="navbarResponsive" aria-expanded="false" aria-label="Toggle navigation">
diff --git a/contact.html b/contact.html
index afe4434..e2bf079 100644
--- a/contact.html
+++ b/contact.html
@@ -31,7 +31,7 @@
   <body id="about-page-body">
 
     <!-- Navigation -->
-    <nav class="navbar navbar-expand-lg navbar-dark fixed-top" id="mainNav">
+    <nav class="navbar navbar-expand-lg bg-dark fixed-top" id="mainNav">
       <div class="container">
         <a class="navbar-brand js-scroll-trigger" href="index.html">StreamIt</a>
         <button class="navbar-toggler navbar-toggler-right" type="button" data-toggle="collapse" data-target="#navbarResponsive" aria-controls="navbarResponsive" aria-expanded="false" aria-label="Toggle navigation">
diff --git a/index.html b/index.html
index 4aee9fb..6e080e2 100644
--- a/index.html
+++ b/index.html
@@ -32,7 +32,7 @@
   <body id="page-top">
 
     <!-- Navigation -->
-    <nav class="navbar navbar-expand-lg navbar-dark fixed-top" id="mainNav">
+    <nav class="navbar navbar-expand-lg bg-dark fixed-top" id="mainNav">
       <div class="container">
         <a class="navbar-brand js-scroll-trigger" href="index.html">StreamIt</a>
         <button class="navbar-toggler navbar-toggler-right" type="button" data-toggle="collapse" data-target="#navbarResponsive" aria-controls="navbarResponsive" aria-expanded="false" aria-label="Toggle navigation">
diff --git a/movies.html b/movies.html
index 9b856a7..3b8ce40 100644
--- a/movies.html
+++ b/movies.html
@@ -55,7 +55,7 @@
 
   <body id="page-top">
     <!-- Navigation -->
-    <nav class="navbar navbar-expand-lg navbar-dark fixed-top" id="mainNav">
+    <nav class="navbar navbar-expand-lg bg-dark fixed-top" id="mainNav">
       <div class="container">
         <a class="navbar-brand js-scroll-trigger" href="index.html">StreamIt</a>
         <button
diff --git a/singleMovie.html b/singleMovie.html
index 0788385..373e3f2 100644
--- a/singleMovie.html
+++ b/singleMovie.html
@@ -28,7 +28,7 @@
   <body id="page-top">
 
     <!-- Navigation -->
-    <nav class="navbar navbar-expand-lg navbar-dark fixed-top" id="mainNav">
+    <nav class="navbar navbar-expand-lg bg-dark fixed-top" id="mainNav">
       <div class="container">
         <a class="navbar-brand js-scroll-trigger" href="index.html">StreamIt</a>
         <button class="navbar-toggler navbar-toggler-right" type="button" data-toggle="collapse" data-target="#navbarResponsive" aria-controls="navbarResponsive" aria-expanded="false" aria-label="Toggle navigation">
diff --git a/singleTv.html b/singleTv.html
index bc6f746..75ac459 100644
--- a/singleTv.html
+++ b/singleTv.html
@@ -30,7 +30,7 @@
   </head>
   <body id="page-top">
 
-    <nav class="navbar navbar-expand-lg navbar-dark fixed-top" id="mainNav">
+    <nav class="navbar navbar-expand-lg bg-dark fixed-top" id="mainNav">
       <div class="container">
         <a class="navbar-brand js-scroll-trigger" href="index.html">StreamIt</a>
         <button class="navbar-toggler navbar-toggler-right" type="button" data-toggle="collapse" data-target="#navbarResponsive" aria-controls="navbarResponsive" aria-expanded="false" aria-label="Toggle navigation">
diff --git a/tv.html b/tv.html
index 5fe5881..e6a1c3f 100644
--- a/tv.html
+++ b/tv.html
@@ -27,7 +27,7 @@
   </head>
   <body id="page-top">
 
-    <nav class="navbar navbar-expand-lg navbar-dark fixed-top" id="mainNav">
+    <nav class="navbar navbar-expand-lg bg-dark fixed-top" id="mainNav">
       <div class="container">
         <a class="navbar-brand js-scroll-trigger" href="index.html">StreamIt</a>
         <button class="navbar-toggler navbar-toggler-right" type="button" data-toggle="collapse" data-target="#navbarResponsive" aria-controls="navbarResponsive" aria-expanded="false" aria-label="Toggle navigation">
