diff --git a/Gemfile.lock b/Gemfile.lock
index 901b662..c29b88c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,7 +7,7 @@ GEM
       minitest (~> 5.1)
       tzinfo (~> 1.1)
       zeitwerk (~> 2.2, >= 2.2.2)
-    addressable (2.8.0)
+    addressable (2.7.0)
       public_suffix (>= 2.0.2, < 5.0)
     coffee-script (2.4.1)
       coffee-script-source
@@ -26,15 +26,11 @@ GEM
       ffi (>= 1.15.0)
     eventmachine (1.2.7)
     execjs (2.7.0)
-    faraday (1.4.1)
-      faraday-excon (~> 1.1)
+    faraday (1.3.0)
       faraday-net_http (~> 1.0)
-      faraday-net_http_persistent (~> 1.1)
       multipart-post (>= 1.2, < 3)
-      ruby2_keywords (>= 0.0.4)
-    faraday-excon (1.1.0)
+      ruby2_keywords
     faraday-net_http (1.0.1)
-    faraday-net_http_persistent (1.1.0)
     ffi (1.15.0)
     forwardable-extended (2.6.0)
     gemoji (3.0.1)
@@ -91,10 +87,10 @@ GEM
     html-pipeline (2.14.0)
       activesupport (>= 2)
       nokogiri (>= 1.4)
-    html-proofer (3.14.1)
+    html-proofer (3.18.8)
       addressable (~> 2.3)
       mercenary (~> 0.3)
-      nokogiri (~> 1.10)
+      nokogumbo (~> 2.0)
       parallel (~> 1.3)
       rainbow (~> 3.0)
       typhoeus (~> 1.3)
@@ -217,20 +213,22 @@ GEM
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     mercenary (0.3.6)
-    mini_portile2 (2.5.1)
+    mini_portile2 (2.5.0)
     minima (2.5.1)
       jekyll (>= 3.5, < 5.0)
       jekyll-feed (~> 0.9)
       jekyll-seo-tag (~> 2.1)
     minitest (5.14.4)
     multipart-post (2.1.1)
-    nokogiri (1.11.4)
+    nokogiri (1.11.2)
       mini_portile2 (~> 2.5.0)
       racc (~> 1.4)
+    nokogumbo (2.0.5)
+      nokogiri (~> 1.8, >= 1.8.4)
     octokit (4.20.0)
       faraday (>= 0.9)
       sawyer (~> 0.8.0, >= 0.5.3)
-    parallel (1.19.0)
+    parallel (1.20.1)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
     public_suffix (4.0.6)
@@ -239,7 +237,7 @@ GEM
     rb-fsevent (0.10.4)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rexml (3.2.5)
+    rexml (3.2.4)
     rouge (3.26.0)
     ruby-enum (0.9.0)
       i18n
@@ -267,7 +265,7 @@ GEM
       unf_ext
     unf_ext (0.0.7.7)
     unicode-display_width (1.7.0)
-    yell (2.2.0)
+    yell (2.2.2)
     zeitwerk (2.4.2)
 
 PLATFORMS
diff --git a/_config.yml b/_config.yml
index dfc7a05..6d9517e 100755
--- a/_config.yml
+++ b/_config.yml
@@ -114,3 +114,5 @@ exclude: [
   "reveal.js/LICENSE",
   "reveal.js/package.json"
 ]
+
+theme: jekyll-theme-minimal
\ No newline at end of file
diff --git a/_posts/0000-01-02-rubensequeiracx.md b/_posts/0000-01-02-rubensequeiracx.md
new file mode 100644
index 0000000..1bb9749
--- /dev/null
+++ b/_posts/0000-01-02-rubensequeiracx.md
@@ -0,0 +1,6 @@
+---
+layout: slide
+title: "Welcome to our second slide!"
+---
+this is my slide ruben
+Use the left arrow to go back!