How to check cross-browser layout?

Question

Layout

In the tutorials, they simply show the working layout on different browsers, and they don’t particularly focus on which version of the browser.

Is the browser version important when checking the cross-browser layout in different browsers?
If yes, then you need to download a browser with a minimum version and build on it?
Is it necessary to discuss with the customer from which version of the browser the working layout is required (will be made) in a particular browser?

Answer 1

Is the browser version important when checking the cross-browser layout in different browsers?

Usually they accept some kind of agreement, what is the minimum version of each browser that will be supported, and then the layout is already going on based on these agreements. (Well, respectively, testing on these versions)

Is it necessary to discuss with the customer from which version of the browser the working layout is required (will be made) in a particular browser?

Necessarily. After all, you can decide that the last few versions of the most popular browsers in the world are OK (because this covers 99%), and then it turns out that half of the customer’s audience is on IE or safari, and then you have to redo everything, because the features you use are not supported in them.

Answer 2

YES
YES
YES
There are builds for testers: Bundles of installers or images of virtual machines with different browsers.
IMHO, it is most correct to type so that there are fewer crutches (selectors that set behavior depending on the browser version) and fewer problems with CSS / HTML / JS compatibility