diff --git a/src/viewer.css b/src/viewer.css
index 9c17df5..c2d05bd 100644
--- a/src/viewer.css
+++ b/src/viewer.css
@@ -191,3 +191,7 @@ h1 {
 .string, :any-link {
   word-break: break-all;
 }
+
+:is(.spacer, .q)::selection {
+  background-color: transparent;
+}