diff --git a/dlibrary/static/dlibrary.css b/dlibrary/static/dlibrary.css
index 44fcfff..fbcace4 100644
--- a/dlibrary/static/dlibrary.css
+++ b/dlibrary/static/dlibrary.css
@@ -77,8 +77,10 @@ body {
 .card {
     background: #333;
     padding: 10px;
+    flex-basis: 40%;
     flex-grow: 1;
     max-width: 360px;
+    min-width: min(240px,90%);
     text-align: center;
     font-weight: bold;
     font-size: 18px;