diff --git a/src/sass/style.scss b/src/sass/style.scss
index 3cc1b4fd7..db6891392 100644
--- a/src/sass/style.scss
+++ b/src/sass/style.scss
@@ -2094,7 +2094,7 @@ key {
     }
 
     .source {
-      width: 25vw;
+      max-width: 30rem;
     }
 
     .tags .bottom .fas {