_includes/post.css in jekyll-theme-plain-0.3.0 vs _includes/post.css in jekyll-theme-plain-0.4.0

@@ -4,7 +4,6 @@
         overflow-wrap: break-word;
         white-space: -moz-pre-wrap;
         white-space: -pre-wrap;
         white-space: -o-pre-wrap;
         white-space: pre-wrap;
-        white-space: break-spaces;
       }