diff --git a/static/templates/index.html b/static/templates/index.html
index 4f45404a2..dc355aa63 100644
--- a/static/templates/index.html
+++ b/static/templates/index.html
@@ -29,7 +29,7 @@
                 box-shadow: 2px 2px 5px 0px #ccc;
         }
         .book:hover { background-color: #F9F9F9; box-shadow: none;}
-        .book__background { background-repeat: no-repeat; background-size: auto; background-position: top right; }
+        .book__background { background-repeat: no-repeat; background-size: 48px 48px; background-position: top right; }
         .book__title {
                 padding: 0 55px 0 0;overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
                 font-size: 18px; color: #0645ad; line-height: 1em;