Bootstrap 4 for IE8 and IE9

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Bootstrap 4 drops support for Internet Explorer 8 and 9. Worldwide usage stats of both browsers are miniscule now (IE8 is at 0.27% and IE9 at 0.16% based on StatCounter GlobalStats for December, 2017), but still there maybe times when you need to support these older browsers.

I’ve created a CSS-only polyfill solution which can be loaded via conditional statements as follows:

IE9 Visitors will then get a bootstrap-ie9.css stylesheet loading which provides a float-based layout fallback since IE9 doesn’t support Flexbox. In addition the HTML5Shiv polyfill is loaded via a CDN.

IE8 visitors will get (in addition to the above) a bootstrap-ie8.css stylesheet which fixes many compatibility issues.

Bootstrap 4 on IE8

More info on GitHub

Updated:

Comments

Sait Firat NEMIS

Hi,

How i can change main color blue to orange on BootStrap 4 Basic Wordpress Theme ? If you could help i will be glad. I already try to change all #007bff to #fd7e14 in .css files but nothing changed :(

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