Add webkit-transform hack to fix chrome rendering, fixes #538

source/stylesheets/screen.css.scss

@@ -324,6 +324,8 @@ html, body {
 // This is all the stuff with the light background in the left half of the page
 
 .content {
+  // fixes webkit rendering bug for some: see #538
+  -webkit-transform: translateZ(0);
   // to place content above the dark box
   position: relative;
   z-index: 30;