Do not use "flex: 1" or "flex-basis: 0" inside "flex-direction: column" when you need to support IE11 - makandra dev
![IE focuses elements on click that should not be focusable, and Claro makes this very apparent. [#3048785] | Drupal.org](https://www.drupal.org/files/issues/2019-10-14/IE11Focus.png "IE focuses elements on click that should not be focusable, and Claro makes this very apparent. [#3048785] | Drupal.org")
IE focuses elements on click that should not be focusable, and Claro makes this very apparent. [#3048785] | Drupal.org
Column Layout Breaks in IE11 · Issue #314 · angular/flex-layout · GitHub
Do accessible websites still need to support Internet Explorer 11? - Hassell Inclusion
Gradually Stopping the IE11 (Internet Explorer 11) Support
Dropping support for Internet Explorer 11 (when 18% of your revenue comes from companies still using it) – Jason O'Neil
Internet Explorer Still Does Not Go Away Today — Adrian Roselli
flexbox IE11で起きるバグやずれに立ち向かう | なんとなくWEBで食べていく
html - flex property not working in IE - Stack Overflow
html - Absolutely positioned flex item is not removed from the normal flow in IE11 - Stack Overflow
css - flexbox text wrap on Internet Explorer 11 (IE11) - Stack Overflow
Flexbox: IE min-height fix
html - Flexbox/IE11: flex-wrap: wrap does not wrap (Images + Codepen inside) - Stack Overflow
html - Flexbox not working in Internet Explorer 11 - Stack Overflow
IE11でflexboxを入れ子にするとテキストが折り返さないバグ | Rriver
株式会社コニファ ツール紹介やプログラム集：Internet Explorer11のflexboxに関するバグと対処（１）
Web制作】IE11でFlexboxが横並びにならなくてハマる - さくらいらぼ
