Rollup merge of #86078 - GuillaumeGomez:type-page-font-weight, r=jsha

Type page font weight

Fixes https://github.com/rust-lang/rust/issues/86069.

r? ```@jsha```

src/librustdoc/html/static/rustdoc.css

@@ -138,7 +138,7 @@ h2, h3, h4 {
 	border-bottom: 1px solid;
 }
 .impl, .method,
-.type, .associatedconstant,
+.type:not(.container-rustdoc), .associatedconstant,
 .associatedtype {
 	flex-basis: 100%;
 	font-weight: 600;

src/test/rustdoc-gui/sidebar.goml

@@ -11,7 +11,8 @@ assert: (".sidebar-elems > .items > ul > li:nth-child(2)", "Structs")
 assert: (".sidebar-elems > .items > ul > li:nth-child(3)", "Enums")
 assert: (".sidebar-elems > .items > ul > li:nth-child(4)", "Traits")
 assert: (".sidebar-elems > .items > ul > li:nth-child(5)", "Functions")
-assert: (".sidebar-elems > .items > ul > li:nth-child(6)", "Keywords")
+assert: (".sidebar-elems > .items > ul > li:nth-child(6)", "Type Definitions")
+assert: (".sidebar-elems > .items > ul > li:nth-child(7)", "Keywords")
 assert: ("#structs + table td > a", "Foo")
 click: "#structs + table td > a"
 

src/test/rustdoc-gui/src/lib.rs

@@ -96,3 +96,6 @@ pub enum AnEnum {
 
 #[doc(keyword = "CookieMonster")]
 pub mod keyword {}
+
+/// Just some type alias.
+pub type SomeType = u32;

src/test/rustdoc-gui/type-weight.rs

@@ -0,0 +1,2 @@
+goto: file://|DOC_PATH|/test_docs/type.SomeType.html
+assert-all: (".top-block .docblock p", {"font-weight": "400"})