Rollup merge of #89754 - dns2utf8:rustdoc_cleanup_css, r=GuillaumeGomez
Rollup merge of #89754 - dns2utf8:rustdoc_cleanup_css, r=GuillaumeGomez

Cleanup .item-table CSS

The main table-like element must be `display: table;`

r? `@GuillaumeGomez`

graydon/rust,graydon/rust,aidancully/rust,aidancully/rust,aidancully/rust,graydon/rust,aidancully/rust,graydon/rust,graydon/rust,graydon/rust,aidancully/rust,aidancully/rust