Denis Chenu

The jsfiddle seems OK, and a valid solution. 👍

I think it happen each time an slider start hidden, width (and height) have issue with hidden element or elements inside an hidden element. Think a shown.bs.tab event call can...

Must be clarified

HTML5 compatible mean nothing : how many rules html5test use 555 points , acid test use 100 point etc .... Do you know [Modernizer](https://github.com/Modernizr) ?

Think limesurvey_ynh have same issue, i take a look. But clearly : seems critical iun some situtation (maybe i can look to photo uploaded by my son ;) )

Same domain ?

Strange : can not confirm loggued by https://maison.example.org/yunohost/sso/ , go on https://maison.example.org/nextcloud/ , log out , come back to https://maison.example.org/yunohost/sso/ without issue.

`.color-rgba255012305050` and `.color-rgb255012305` And **need** it for background too ! `.background-color-ff69b4`

Why not directly : ``` 🍻::before { display: inline-block; content: '🍻'; } ```

http://universal.css is down :broken_heart: