If all your media queries work "up" or "down", you always know where to look when your site doesn't look as you expect it to at a certain size.
CSS in new media queries you write will then never influence your earlier sizes.
impact on the game, not necessarily just possessions,” Bartel said.
There are many moving parts, things might lay out in ways you didn't expect and keeping all various viewports in mind when laying out a design can be daunting.
A great way to (re-)learn how to build common layouts with Flexbox and CSS Grid is
It lists common layouts and explains how to build them using modern techniques.
“I don’t think there’s a more intimidating player in the game,” Lloyd told au.
After all, your favorite hand-off tool probably lets you copy them with ease.
Elements with fixed widths (or margins) could easily break your layout if you're not careful. To expand on the previous rule, modern layout methods like Flexbox and CSS Grid are built to be inherently flexible and size according to their surroundings.
It turns out that doing that is actually hostile to your users.
You really only want two things: set the width to the device your site is shown on, and make sure the initial scale is 1, which means that 1 pixel in your CSS equals one device-independent pixel, like this: You develop websites on a large laptop or desktop screen, and usually your client is most interested in the desktop design of a website, so it might feel natural to just start with the design for the desktop site and then work your way down.