diff --git a/static/spec.css b/static/spec.css
index 27726bc..85faa3d 100644
--- a/static/spec.css
+++ b/static/spec.css
@@ -380,6 +380,7 @@ del {
 
 .spec-string {
   font-family: Consolas, Monaco, monospace;
+  font-size: 85%;
   white-space: pre;
 }