diff --git a/theme/assets/css/main.css b/theme/assets/css/main.css
index bb926ac..9a893dc 100644
--- a/theme/assets/css/main.css
+++ b/theme/assets/css/main.css
@@ -548,19 +548,23 @@ p:last-child { margin-bottom: 0; }
   .site-nav.open .nav-menu a {
     color: var(--color-heading);
     font-size: 1.25rem;
-    padding-bottom: 0;
-    border-bottom: none;
+    padding-bottom: 2px;
+    border-bottom: none !important;
     text-decoration: none !important;
+    outline: none !important;
+    box-shadow: none !important;
+  }
+  .site-nav.open .nav-menu a::after,
+  .site-nav.open .nav-menu a:hover::after,
+  .site-nav.open .nav-menu .current-menu-item > a::after {
+    display: none !important;
+    content: none !important;
   }
   .site-nav.open .nav-menu a:hover,
   .site-nav.open .nav-menu .current-menu-item > a {
     color: var(--color-primary);
     text-decoration: none !important;
-  }
-  .site-nav.open .nav-menu a::after {
-    bottom: 0;
-    height: 2px;
-    background: var(--color-primary);
+    border-bottom: 2px solid var(--color-primary) !important;
   }
 
   /* Mobile sub-menu */