diff --git a/_config.yml b/_config.yml
index bd436d8..87fb5bf 100644
--- a/_config.yml
+++ b/_config.yml
@@ -79,7 +79,7 @@ picture:
       - 1
       - 2
       attr:
-        class: "photo-square"
+        class: photo-square
         itemprop: image
       source_large:
         media: "(min-width: 769px)"
@@ -94,7 +94,7 @@ picture:
       - 1
       - 2
       attr:
-        class: "photo-square"
+        class: photo-square
         itemprop: image
       source_large:
         media: "(min-width: 769px)"
diff --git a/_posts/2017-06-25-liberty-sunset.markdown b/_posts/2017-06-25-liberty-sunset.markdown
index 5a796de..9793a5c 100644
--- a/_posts/2017-06-25-liberty-sunset.markdown
+++ b/_posts/2017-06-25-liberty-sunset.markdown
@@ -1,12 +1,12 @@
 ---
 title: Liberty Sunset
-date: 2017-06-25T00:00:00+00:00
-layout: post
+date: 2017-06-25 00:00:00 Z
 categories:
-  - Sunset
-  - New York
-  - USA
-  - Statue of Liberty
+- Sunset
+- New York
+- USA
+- Statue of Liberty
+layout: post
 ---
 
 <figure class="photo-wide">
diff --git a/_posts/2017-07-21-eisenhower-executive-office-building.markdown b/_posts/2017-07-21-eisenhower-executive-office-building.markdown
index 2d24014..9cb9e9d 100644
--- a/_posts/2017-07-21-eisenhower-executive-office-building.markdown
+++ b/_posts/2017-07-21-eisenhower-executive-office-building.markdown
@@ -1,6 +1,6 @@
 ---
 title: Eisenhower Executive Office Building
-date: 2017-07-21T00:00:00+00:00
+date: 2017-07-21 00:00:00 Z
 layout: post
 ---