diff --git a/css/islandora_mods.css b/css/islandora_mods.css
index 4a580e7..7738b0f 100755
--- a/css/islandora_mods.css
+++ b/css/islandora_mods.css
@@ -3,6 +3,7 @@ iframe.pdf {
   /* margin: 2rem; */
   width: 92%;
   margin: 0 3rem;
+  border:1px solid #ccc;
 }
 #block-views-block-related-scholar-profiles-block-1 {
   display: flex;