Title: Breaks meta box collapse
Last modified: August 18, 2026

---

# Breaks meta box collapse

 *  [mrleblanc101](https://wordpress.org/support/users/mrleblanc101/)
 * (@mrleblanc101)
 * [3 weeks, 1 day ago](https://wordpress.org/support/topic/breaks-meta-box-collapse/)
 * WordPress has a rule to close custom meta box like those created by ACF:
 *     ```wp-block-code
       .js .closed .inside { display: none; }
       ```
   
 * You’re plugin breaks this behavior by overwritting the rule with a higher specificity:
 *     ```wp-block-code
       .body--ass #postbox-container-2 .inside {  display: inline-block;  width: 100%;}
       ```
   
 * The resulting CSS is:
 *     ```wp-block-code
       .body--ass #postbox-container-2 .inside {    display: inline-block;    width: 100%;}#poststuff .inside {    margin: 6px 0 0;}.hidden, .js .closed .inside, .js .hide-if-js, .js .wp-core-ui .hide-if-js,.js.wp-core-ui .hide-if-js, .no-js .hide-if-no-js, .no-js .wp-core-ui .hide-if-no-js, .no-js.wp-core-ui .hide-if-no-js {    display: none;}
       ```
   
    -  This topic was modified 3 weeks, 1 day ago by [mrleblanc101](https://wordpress.org/support/users/mrleblanc101/).

Viewing 2 replies - 1 through 2 (of 2 total)

 *  Plugin Author [followalter](https://wordpress.org/support/users/followalter/)
 * (@followalter)
 * [1 week, 6 days ago](https://wordpress.org/support/topic/breaks-meta-box-collapse/#post-19004549)
 * Hi, thanks for letting me know. I’ll take a look.
 *  Plugin Author [followalter](https://wordpress.org/support/users/followalter/)
 * (@followalter)
 * [1 week, 6 days ago](https://wordpress.org/support/topic/breaks-meta-box-collapse/#post-19004613)
 * I’ve just updated the plugin. Should arrive in WordPress soon. This should fix
   it, if not, let me know!

Viewing 2 replies - 1 through 2 (of 2 total)

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 * 2 replies
 * 2 participants
 * Last reply from: [followalter](https://wordpress.org/support/users/followalter/)
 * Last activity: [1 week, 6 days ago](https://wordpress.org/support/topic/breaks-meta-box-collapse/#post-19004613)
 * Status: not resolved