Posted 23.04.2015 @ 1.22PM (Edited 23.04.2015 @ 1.29PM)
If they are designing for each ideal viewport then everything in between can be fluid until you hit the breakpoints by using media queries.
Eg if design has three columns for desktop, then two columns for ipad then one column for mobile, each of those screen sizes can be fuild until they hit the next device size.
Oh this might be helpful to explain RWD too ;)
The Flexible layout – grid based bit.
Posted 22.04.2015 @ 3.37PM (Edited 22.04.2015 @ 5.00PM)
My site has been mobile friendly for a while now so will be interesting to see the stats if it overtakes any sites that are not (I'm sure there are other variables to this but in general).
Posted 28.11.2014 @ 10.24AM (Edited 28.11.2014 @ 10.28AM)
My silver lining takeaway will be the break points:
min 480, min 768, min 992, min 1200. And the way it uses 'min' based media queries - I find it more intuitive from a mobile first perspective.
Think I'll incorporate these into my normal method.
If I was going to start using an existing framework, I'd follow @Bjarni and @Cheli's lead and look at Zurb.