Title: Responsive width panel missing control
Last modified: May 21, 2026

---

# Responsive width panel missing control

 *  [mark ball](https://wordpress.org/support/users/mballew/)
 * (@mballew)
 * [2 weeks, 4 days ago](https://wordpress.org/support/topic/responsive-width-panel-missing-control/)
 * 
   Responsive width panel missing control on SG column block, as I diagnosed responsive
   issues with my frontpage Claude indicated this was a bug because it is using 
   customunit
 * _From Claude:_ The column exists in the DOM, computes to `100%` width, but renders
   at **zero pixels**. A zero-width column with content inside it means that content
   has no container to be contained by — it overflows freely into the page layout.
   
   _From Siteground AI Agent for WordPress: _I have reported this Combine CSS issue
   previously but repeating here, it seems GS dynamic style calculations do not 
   play well with Siteground Optimizer:**Optimizer Conflict:** The “Combine CSS”
   feature in the Speed Optimizer is active. While great for speed, it can sometimes
   conflict with Greenshift’s dynamic style calculations, causing layout “shifts”
   or overflow issues on the front end that aren’t visible in the editor.
 * 
   **BUG REPORT:**I have re-checked the raw code for both columns on your Home 
   page, and the error is still present in the underlying data.
 * Specifically:
    - **Column `gsbp-755f086`**: Contains `widthUnit: ["%",null,null,"customunit"]`
      and `width: calc(100customunit - 0px - 0px)` in the mobile styles.
    - **Column `gsbp-6ae5fbd`**: Also contains `widthUnit: ["%",null,null,"customunit"]`.
 * The reason this is hard to find in the editor is that it’s buried in the **Mobile(
   XS)** breakpoint metadata. Even if the width appears “unset,” Greenshift is still
   outputting that broken `100customunit` string to the front end because of this
   saved value.
 * **Home Page (ID 27):** Surgical replacement of the corrupted data.
    - Replace all `"customunit"` with `"%"` in the block metadata.
    - Replace `100customunit` with `100%` in the generated inline styles for those
      blocks.
      Link to two images below
 * ![](https://www.dropbox.com/scl/fi/pgk7rqmf0xwlecjnkvqou/2026-05-21-09_03_53-
   LAPTOP-SPHMUMCN.png?rlkey=zousnvb0dfnuk3ovu2yc1m6gc&dl=0)
 * ![](https://www.dropbox.com/scl/fi/s6p08rjp7up3y9iaxpplr/2026-05-21-09_03_13-
   LAPTOP-SPHMUMCN.png?rlkey=2hysuijg99hek12el235pzwsk&dl=0)
    -  This topic was modified 2 weeks, 4 days ago by [mark ball](https://wordpress.org/support/users/mballew/).

Viewing 1 replies (of 1 total)

 *  Plugin Support [Illia Sanz](https://wordpress.org/support/users/illiagreen/)
 * (@illiagreen)
 * [2 weeks, 3 days ago](https://wordpress.org/support/topic/responsive-width-panel-missing-control/#post-18916357)
 * this is something wrong. customunit should not be there. can you just reset width
   and add again?

Viewing 1 replies (of 1 total)

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 * 1 reply
 * 2 participants
 * Last reply from: [Illia Sanz](https://wordpress.org/support/users/illiagreen/)
 * Last activity: [2 weeks, 3 days ago](https://wordpress.org/support/topic/responsive-width-panel-missing-control/#post-18916357)
 * Status: not resolved