why were headers blocked at 36rem

_sass/_text.scss

@@ -1,13 +1,13 @@
 // Readable styles for body text
 .text {
-  
+
   // Links in .text are always underlined
   @if $link-underlines == false {
     a[href] {
       text-decoration: underline;
     }
   }
-  
+
   // Lists in .text are always styled
   @if $reset-list-styles == true {
     ul, ol, dd {
@@ -31,21 +31,21 @@
       font-weight: bolder;
     }
   }
-  
+
   // Add margins to media and embed elements
   > {
     #{$media-elements, $embed-elements}, .embed-container {
       display: block;
       @include spacing(2);
     }
   }
-  
+
   // Constrain widths of text elements
-  #{$text-block-elements} { max-width: $text-max-width }
-  h1 { max-width: $text-max-width / strip-unit($h1-font-size) }
-  h2 { max-width: $text-max-width / strip-unit($h2-font-size) }
-  h3 { max-width: $text-max-width / strip-unit($h3-font-size) }
-  h4 { max-width: $text-max-width / strip-unit($h4-font-size) }
-  h5 { max-width: $text-max-width / strip-unit($h5-font-size) }
-  h6 { max-width: $text-max-width / strip-unit($h6-font-size) }
+  // #{$text-block-elements} { max-width: $text-max-width }
+  // h1 { max-width: $text-max-width / strip-unit($h1-font-size) }
+  // h2 { max-width: $text-max-width / strip-unit($h2-font-size) }
+  // h3 { max-width: $text-max-width / strip-unit($h3-font-size) }
+  // h4 { max-width: $text-max-width / strip-unit($h4-font-size) }
+  // h5 { max-width: $text-max-width / strip-unit($h5-font-size) }
+  // h6 { max-width: $text-max-width / strip-unit($h6-font-size) }
 }