Title: [Plugin: Auto Thickbox] not valid CSS
Last modified: August 20, 2016

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# [Plugin: Auto Thickbox] not valid CSS

 *  Resolved [thomask](https://wordpress.org/support/users/thomask/)
 * (@thomask)
 * [13 years, 11 months ago](https://wordpress.org/support/topic/plugin-auto-thickbox-not-valid-css/)
 * You got about 15 not valid CSS declaration in thickbox.css (you can use firefox
   error console). Most of them are obsolete and unnecessary -moz prefixed values
   or ms filters/expressions, which should be moved to lt IE9 conditional comment
 * [http://wordpress.org/extend/plugins/auto-thickbox/](http://wordpress.org/extend/plugins/auto-thickbox/)

The topic ‘[Plugin: Auto Thickbox] not valid CSS’ is closed to new replies.

 * ![](https://s.w.org/plugins/geopattern-icon/auto-thickbox.svg)
 * [Auto Thickbox](https://wordpress.org/plugins/auto-thickbox/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/auto-thickbox/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/auto-thickbox/)
 * [Active Topics](https://wordpress.org/support/plugin/auto-thickbox/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/auto-thickbox/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/auto-thickbox/reviews/)

## Tags

 * [css](https://wordpress.org/support/topic-tag/css/)

 * 0 replies
 * 1 participant
 * Last reply from: [thomask](https://wordpress.org/support/users/thomask/)
 * Last activity: [13 years, 11 months ago](https://wordpress.org/support/topic/plugin-auto-thickbox-not-valid-css/)
 * Status: resolved