CSS 2.1 | "inline", "block", "list-item", "run-in", "inline-block", "table", "inline-table", "table-row-group", "table-header-group", "table-footer-group", "table-row", "table-column-group", "table-column", "table-cell", "table-caption", or "none" |
CSS3 | "inline", "inline-flex", "block", "inline-block", "flex", "list-item", "run-in", "table", "inline-table", "table-row-group", "table-header-group", "table-footer-group", "table-row", "table-column-group", "table-column", "table-cell", "table-caption", "ruby", "ruby-base", "ruby-text", "ruby-base-container", "ruby-text-container", or "none" |