Bootstrap4 badge source code
vertical-align: baseline; Check vertical-align in depth. @at-root a#{&} @at-root means the selector definition is valid outside of .badge at the root of CSS. a#{&} = a .badge. &:empty means .badge:empty…
vertical-align: baseline; Check vertical-align in depth. @at-root a#{&} @at-root means the selector definition is valid outside of .badge at the root of CSS. a#{&} = a .badge. &:empty means .badge:empty…