xxs: <= 20.25em (324px)
xs: 31.25em (500px) - 40em (640px)
sm: 40em (640px) - 48em (768px)
md: 48em (768px) - 51.875em (830px)
md-2: 51.875em (830px) - 68.75em (1100px)
lg: 68.75em (1100px) - 90em (1440px)
xl: 90em (1440px) - 100em (1600px)
xxl: >= 100em (1600px)