feat: move html of inputs into dedicated macros file

Author: Lainow

css/includes/_base.scss

@@ -212,6 +212,18 @@ body.in_modal {
     }
 }
 
+.btn-group {
+    .btn.btn-outline-secondary {
+        border: $input-border-width solid $input-border-color;
+
+        @include dark-mode {
+            & {
+                border-color: $input-border;
+            }
+        }
+    }
+}
+
 .toast-container {
     z-index: 999999;
     position: fixed;