minor tweaks from Adrian

docs/css/styles.css

@@ -449,6 +449,9 @@ pre[class*=language-] {
     overflow-y: hidden;
     overflow-x: auto;
 }
+code[class*="language-"], pre[class*="language-"] {
+  text-shadow: none;
+}
 pre[class*=language-][data-line] {
     padding: 1em 0 0 2.25rem;
 }

themes/infusion/static/css/styles.css

@@ -449,6 +449,9 @@ pre[class*=language-] {
     overflow-y: hidden;
     overflow-x: auto;
 }
+code[class*="language-"], pre[class*="language-"] {
+  text-shadow: none;
+}
 pre[class*=language-][data-line] {
     padding: 1em 0 0 2.25rem;
 }