diff --git a/fedireads/static/format.css b/fedireads/static/format.css
index 7488b4639..b0c6f0a61 100644
--- a/fedireads/static/format.css
+++ b/fedireads/static/format.css
@@ -550,6 +550,8 @@ dd {
     position: relative;
     z-index: 1;
     overflow-y: auto;
+    height: 23em;
+    margin-bottom: -10em;
 }
 .all-shelves h2 {
     white-space: nowrap;
@@ -590,7 +592,7 @@ dd {
     width: auto;
     margin: 0;
 }
-.covers-shelf button {
+.covers-shelf button, .covers-shelf .pulldown-button {
     border: none;
 }