Display utility classes that apply to all breakpoints, from xs to xl , have no breakpoint abbreviation in them. This is because For example, .d-lg-none sets display: none; on both lg and xl screens. Hidden only on sm .d-sm-none .d-md-block.
Docs - mini.css Example. This is a paragraph with some sample text. Did you know that the latest Image elements are responsive by default, automatically scaling down as.