container class can be used in any context, but mostly as a direct child of either:
The containers width for each breakpoint is the result
$device - (2 * $gap). The
$gap variable has a default value of
32px but can be modified.
This is how the container will behave:
$desktopit will have a maximum width of 960px.
$widescreenit will have a maximum width of 1152px.
$fullhdit will have a maximum width of 1344px.
The values 960, 1152 and 1344 have been chosen because they are divisible by both 12 and 16.