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Bootstrap 4 Site Blueprints by Ian Whitley, David Cochran, Bass Jobsen

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Browser support

As mentioned before, Bootstrap 4 does not support Internet Explorer version 8 and earlier. For projects that should support this browser I recommend you to use Bootstrap 3 instead. Bootstrap 4 also comes with optional Flexbox support. Only Internet explorer versions 11 and higher support the CSS3 Flexible Box Layout Module. You can read more about the pros and cons of the Flexbox module later on, in the Flexible Boxes section of this chapter. Besides Internet Explorer 8 and earlier, Bootstrap supports all major browsers, including many mobile browsers.

Vendor prefixes

CSS3 introduced vendor-specific rules, which offer you the possibility of writing some additional CSS, applicable for only one browser. At first sight, this seems the ...

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