.uk-list>li::before, .uk-list>li::after { content: ""; display: table; } Yikes, it's this mixing class/element/combinator-style styling that BS4

.uk-list>li::before, .uk-list>li::after { content: ""; display: table; } Yikes, it's this mixing class/element/combinator-style styling that BS4 did away with. Granted, some of it was still in 3.