---
title: "Column Advanced Tab – Advanced"
description: "Column Advanced Tab – Advanced"
url: https://docs.optimizepress.com/en/articles/639-column-advanced-tab-advanced
collection: "OptimizeBuilder Layouts – Columns"
updated: 2026-05-11
language: en
---

# Column Advanced Tab – Advanced

Column Advanced Tab – Advanced

To edit CSS class and z-index on a specific column, please follow the steps below

1\. Open your OP3 page builder 

2.Click the column settings (gear icon)

3\. Click Advance Options

4\. Click Advance panel at the bottom

![](https://staticfiles.gleap.io/helpcenter/6952dad473c72323c1c59109/20251229205908_1995)

5\. Add the CSS class on the box.

6\. The z-index specifies the order of  your column. The default value is 0.