Limit width of blog pages to something readable

src/_layouts/post.html

@@ -24,7 +24,7 @@
             <p><em>{{ page.date | date: '%B %d, %Y' }}</em></p>
         </header>
         <section class="wrapper style5">
-            <div class="inner">
+            <div class="inner inner--text">
 
                 {{ content }}
 

src/assets/styles/components/_wrapper.scss

@@ -206,6 +206,10 @@
     }
   }
 
+  > .inner--text {
+    max-width: 45rem;
+  }
+
   &.alt {
     padding: 0;
   }