How to do cross-browser layout?

Question

Cross browser

How to do cross-browser layout?
In chrome it is displayed normally, in opera and IE in general almost everything breaks.

Answer 1

if you do not use gulp assembly, then find on the Internet ready with different plugins, including autoprefixer, browsersync and you will be happy, if it is difficult to understand the assembly, then see this lesson https://youtu.be/SVmnfkICqq0
it makes sense to support only ie 11, since this version is easier to maintain, but in general it is better to score on ie and support Chrome, safari, yandex browser, edge, mozilla Firefox, but the choice is yours and of course the customer