Chapter 4: New Approaches to CSS Layouts

The multi-column layout properties are implemented in IE10 and all other modern browsers. The use of vendor prefixes is required in WebKit-based browsers and Firefox, and Firefox also lacks support for the column-span property. Only Opera and IE10 support the break-before and break-after properties.

Flexbox is supported in all major browsers and requires a vendor prefix in WebKit-based user agents. IOS6.1 and below use a hybrid of the current syntax and an older one: The justify-content property isn’t implemented, and it instead has the old box-pack property. I hope this will no longer be the case when you read this appendix.

IE10 also uses an outdated syntax, fully vendor prefixed. I recommend you read ...

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