diff --git a/app/views/pay/index.html.erb b/app/views/pay/index.html.erb
index cb05e51..08e1f29 100644
--- a/app/views/pay/index.html.erb
+++ b/app/views/pay/index.html.erb
@@ -538,6 +538,21 @@ $(document).on('turbolinks:load', function() {
     border-left: none;
     background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
     transition: all 0.2s ease;
+    padding: 0.75rem 1rem;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    min-width: 50px;
+  }
+
+  .input-group-lg .input-group-text {
+    padding: 0.875rem 1.25rem;
+    font-size: 1.1rem;
+  }
+
+  .input-group-text i {
+    font-size: 1rem;
+    line-height: 1;
   }
 
   .input-group .form-control {