ruby
diff --git a/‎public/assets/bootstrap-3.3.7.min.css
-6 b/‎public/assets/bootstrap-3.3.7.min.css
-6
diff --git a/‎public/assets/bootstrap.min.css
+6 b/‎public/assets/bootstrap.min.css
+6
diff --git a/‎public/assets/bootstrap.min.css.map
+1 b/‎public/assets/bootstrap.min.css.map
+1
diff --git a/‎public/en/index.html
+1-1 b/‎public/en/index.html
+1-1
diff --git a/‎public/index.html
+1-1 b/‎public/index.html
+1-1
diff --git a/‎public/ja/index.html
+1-1 b/‎public/ja/index.html
+1-1
@@ -12,7 +12,7 @@
   gtag('config', 'UA-620926-3');
 </script>
 <title>Documentation for Ruby</title>
-<link rel="stylesheet" href="/assets/bootstrap-3.3.7.min.css">
+<link rel="stylesheet" href="/assets/bootstrap.min.css">
 </head>
 <body>
 <div class="container">
 
@@ -12,7 +12,7 @@
   gtag('config', 'UA-620926-3');
 </script>
 <title>docs.ruby-lang.org</title>
-<link rel="stylesheet" href="/assets/bootstrap-3.3.7.min.css">
+<link rel="stylesheet" href="/assets/bootstrap.min.css">
 </head>
 <body>
 <div class="container">
 
@@ -12,7 +12,7 @@
   gtag('config', 'UA-620926-3');
 </script>
 <title>プログラミング言語 Ruby リファレンスマニュアル</title>
-<link rel="stylesheet" href="/assets/bootstrap-3.3.7.min.css">
+<link rel="stylesheet" href="/assets/bootstrap.min.css">
 </head>
 <body>
 <div class="container">