a { place-content: space-between center; place-items: center normal; place-self: center; } a { place-content: space-between center; place-items: center normal; place-self: auto center; } b { place-content: space-between; place-items: center; place-self: center; } c { place-content: var(--first) center; place-items: var(--first) normal; place-self: var(--first); } d { place-content: space-between var(--second); place-items: self-start var(--second); } e { place-content: var(--first, var(--fallback)) center; place-items: var(--first, var(--fallback)) legacy; } .test-unparseable-var-in-place-declaration { place-content: var(var(--foo), ;); } .order-0 { -webkit-place-content: first second; } .order-1 { -moz-place-content: first second; } .order-2 { -ms-place-content: first second; } .order-3 { -o-place-content: first second; } .order-4 { --place-content: first second; } .order-5 { foo-place-content: first second; } .content { content: "place-content: first second;"; } .important { place-content: first second !important; } @supports (place-content: first second) { .support { place-content: first second; } } @keyframes KEYFRAMES { 50% { place-content: first second; } }