diff --git a/sass/_theme_rst.sass b/sass/_theme_rst.sass
index 689e7f9d..814281c0 100644
--- a/sass/_theme_rst.sass
+++ b/sass/_theme_rst.sass
@@ -70,6 +70,8 @@
     margin: 0
     padding: $base-line-height / 2 $base-line-height / 2
     font-family: $code-font-family
+    user-select: none
+    pointer-events: none
   div[class^='highlight'] pre
     white-space: pre
     margin: 0