diff --git a/_includes/head.html b/_includes/head.html
index 149e00d..a1e26e3 100644
--- a/_includes/head.html
+++ b/_includes/head.html
@@ -16,9 +16,8 @@
   <span itemprop='author'><meta name="author" content="{{ site.author }}"><span itemprop='author'></span>
 
   <link href="/favicon.png" rel="icon">
-  <link rel="stylesheet" href="//brick.a.ssl.fastly.net/PT+Serif:400,400i,700,700i:f">
-  <link rel="stylesheet" href="//brick.a.ssl.fastly.net/Source+Code+Pro:400,600:f">
-  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.2/css/bootstrap.min.css" integrity="sha384-y3tfxAZXuh4HwSYylfB+J125MxIs6mR5FOHamPBG064zB+AFeWH94NdvaCBm8qnd" crossorigin="anonymous">
+  <link rel="stylesheet" href="//brick.a.ssl.fastly.net/PT+Serif:400,400i,700,700i:f/Source+Code+Pro:400,600:f">
+  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.5/css/bootstrap.min.css" integrity="sha384-AysaV+vQoT3kOAXZkl02PThvDr8HYKPZhNT5h/CXfBThSRXQ6jW5DO2ekP5ViFdi" crossorigin="anonymous">
   <link rel="stylesheet" href="{{ "/css/main.css" | prepend: site.baseurl }}">
 
   <script type="text/javascript">
diff --git a/_layouts/page.html b/_layouts/page.html
index 79c7320..3cbc7b9 100644
--- a/_layouts/page.html
+++ b/_layouts/page.html
@@ -13,8 +13,8 @@
       </header>
     </div>
     <div class="row">
-      <div class="col-md-2"></div>
-      <div class="col-md-8 offset-md-2">
+      <div class="col-md-1"></div>
+      <div class="col-md-8 offset-md-1">
         <article lang="en">
           {% if page.abstract %} <b>Abstract.</b> {{ page.abstract }}<br><br>{% endif %}
           {{ content }}
diff --git a/_layouts/post.html b/_layouts/post.html
index 79c7320..3cbc7b9 100644
--- a/_layouts/post.html
+++ b/_layouts/post.html
@@ -13,8 +13,8 @@
       </header>
     </div>
     <div class="row">
-      <div class="col-md-2"></div>
-      <div class="col-md-8 offset-md-2">
+      <div class="col-md-1"></div>
+      <div class="col-md-8 offset-md-1">
         <article lang="en">
           {% if page.abstract %} <b>Abstract.</b> {{ page.abstract }}<br><br>{% endif %}
           {{ content }}
diff --git a/index.html b/index.html
index 3169315..98f7aaf 100644
--- a/index.html
+++ b/index.html
@@ -47,8 +47,8 @@
     </header>
   </div>
   <div class="row">
-    <div class="col-md-2"></div>
-    <div class="col-md-8 offset-md-2">
+    <div class="col-md-1"></div>
+    <div class="col-md-8 offset-md-1">
       {% assign categories = site.categories | sort %}
       {% for category in categories %}
       <h3>On {{ category | first }}</h3>