What is class=”mb-0″ in Bootstrap 4?
Bootstrap has a wide range of responsive margin and padding utility classes. They work for all breakpoints: xs (<=576px), sm (>=576px), md (>=768px), lg (>=992px) or xl (>=1200px)) The classes are used in the format: {property}{sides}-{size} for xs & {property}{sides}-{breakpoint}-{size} for sm, md, lg, and xl. m – sets margin p – sets padding t … Read more