update Jekyll

Gemfile

@@ -1,7 +1,7 @@
 source "https://rubygems.org"
 ruby RUBY_VERSION
 
-gem "jekyll", "3.4.3"
+gem "jekyll", "3.8.4"
 
 # to use GitHub Pages
 # gem "github-pages", group: :jekyll_plugins

Gemfile.lock

@@ -4,18 +4,28 @@ GEM
     addressable (2.5.2)
       public_suffix (>= 2.0.2, < 4.0)
     colorator (1.1.0)
+    concurrent-ruby (1.0.5)
+    em-websocket (0.5.1)
+      eventmachine (>= 0.12.9)
+      http_parser.rb (~> 0.6.0)
+    eventmachine (1.2.7)
     ffi (1.9.25)
     forwardable-extended (2.6.0)
-    jekyll (3.4.3)
+    http_parser.rb (0.6.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
+    jekyll (3.8.4)
       addressable (~> 2.4)
       colorator (~> 1.0)
+      em-websocket (~> 0.5)
+      i18n (~> 0.7)
       jekyll-sass-converter (~> 1.0)
-      jekyll-watch (~> 1.1)
-      kramdown (~> 1.3)
-      liquid (~> 3.0)
+      jekyll-watch (~> 2.0)
+      kramdown (~> 1.14)
+      liquid (~> 4.0)
       mercenary (~> 0.3.3)
       pathutil (~> 0.9)
-      rouge (~> 1.7)
+      rouge (>= 1.7, < 4)
       safe_yaml (~> 1.0)
     jekyll-feed (0.11.0)
       jekyll (~> 3.3)
@@ -27,10 +37,10 @@ GEM
       jekyll (~> 3.3)
     jekyll-sitemap (1.2.0)
       jekyll (~> 3.3)
-    jekyll-watch (1.5.1)
+    jekyll-watch (2.0.0)
       listen (~> 3.0)
     kramdown (1.17.0)
-    liquid (3.0.6)
+    liquid (4.0.0)
     listen (3.1.5)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
@@ -42,7 +52,7 @@ GEM
     rb-fsevent (0.10.3)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)
-    rouge (1.11.1)
+    rouge (3.2.1)
     ruby_dep (1.5.0)
     safe_yaml (1.0.4)
     sass (3.6.0)
@@ -55,7 +65,7 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  jekyll (= 3.4.3)
+  jekyll (= 3.8.4)
   jekyll-feed
   jekyll-redirect-from
   jekyll-seo-tag

index.html

@@ -17,8 +17,7 @@ <h1>Jekyll Template for Project Websites</h1>
     <div class="row">
         <div class="col-md-6">
             <h2 class="header-light regular-pad">What is Jekyll?</h2>
-            <blockquote>
-              <p>Jekyll is a simple, blog-aware, static site generator. It takes a template
+              <p class="lead">Jekyll is a simple, blog-aware, static site generator. It takes a template
               directory containing raw text files in various formats, runs it through
               a converter (like <a href="https://daringfireball.net/projects/markdown/">Markdown</a>)
               and our <a href="https://github.com/Shopify/liquid/wiki">Liquid</a> renderer, and
@@ -27,7 +26,6 @@ <h2 class="header-light regular-pad">What is Jekyll?</h2>
               behind <a href="https://pages.github.com">GitHub Pages</a>, which means you can use Jekyll
               to host your project’s page, blog, or website from GitHub’s servers <strong>for
               free</strong>.</p>
-            </blockquote>
         </div>
         <div class="col-md-6 text-center">
             <img src="img/jekyll-dark.png" alt="" class="img-responsive">