diff --git a/gitea-github-theme/theme-github-dark.css b/gitea-github-theme/theme-github-dark.css
index d249bad..1b1f452 100755
--- a/gitea-github-theme/theme-github-dark.css
+++ b/gitea-github-theme/theme-github-dark.css
@@ -600,3 +600,11 @@ span.green .svg {
   background: #E0E0E0;
   color: --var(--color-text);
 }
+
+.ui.cards > .card > :first-child, .ui.card > :first-child {
+    border-radius: 0;
+}
+
+.ui.cards > .card, .ui.card {
+    border: 0;
+}