diff --git a/assets/scss/_mixins.scss b/assets/scss/_mixins.scss
index 2aaaf57..376a754 100644
--- a/assets/scss/_mixins.scss
+++ b/assets/scss/_mixins.scss
@@ -162,4 +162,17 @@ body .toc a:hover {
   .section.pt-0 .row.shadow.bg-white.p-5 > div:first-child img {
     width: 180px !important;        /* 320–360 works well */
   }
+}
+
+// --- Button hover color overrides for CircuitVerse theme ---
+.btn-primary:active,
+.btn-primary:hover,
+.btn-primary.focus,
+.btn-primary.active,
+.container .btn-primary:active,
+.container .btn-primary:hover,
+.container .btn-primary.focus,
+.container .btn-primary.active {
+  background: #368f6e !important;
+  border-color: #368f6e !important;
 }
\ No newline at end of file