doc: Make callout marks in code unselectable

To make example copying easier. (cherry picked from commit 1e6265a)
NixOS · Jan 18, 2020 · d126556 · d126556
1 parent 273f15c
commit d126556
Showing 1 changed file with 8 additions and 2 deletions.
diff --git a/doc/overrides.css b/doc/overrides.css
@@ -1,14 +1,20 @@
 .docbook .xref img[src^=images\/callouts\/],
 .screen img,
-.programlisting img {
+.programlisting img,
+.literallayout img,
+.synopsis img {
     width: 1em;
 }
 
 .calloutlist img {
     width: 1.5em;
 }
 
-.prompt {
+.prompt,
+.screen img,
+.programlisting img,
+.literallayout img,
+.synopsis img {
     -moz-user-select: none;
     -webkit-user-select: none;
     -ms-user-select: none;