rustdoc: refactor and unstyle inline section headers

Author: adrientetar

src/librustdoc/html/markdown.rs

@@ -209,7 +209,7 @@ pub fn render(w: &mut io::Writer, s: &str, print_toc: bool) -> fmt::Result {
         };
 
         // Render the HTML
-        let text = format!(r#"<h{lvl} id="{id}" class='section-link'><a
+        let text = format!(r#"<h{lvl} id="{id}" class='section-header'><a
                            href="\#{id}">{sec_len,plural,=0{}other{{sec} }}{}</a></h{lvl}>"#,
                            s, lvl = level, id = id,
                            sec_len = sec.len(), sec = sec);

src/librustdoc/html/render.rs

@@ -1121,7 +1121,7 @@ fn item_module(w: &mut Writer, cx: &Context,
                 clean::MacroItem(..)           => ("macros", "Macros"),
             };
             try!(write!(w,
-                        "<h2 id='{id}' class='section-link'>\
+                        "<h2 id='{id}' class='section-header'>\
                         <a href=\"\\#{id}\">{name}</a></h2>\n<table>",
                         id = short, name = name));
         }

src/librustdoc/html/static/main.css

@@ -388,16 +388,17 @@ pre.rust .doccomment { color: #4D4D4C; }
 pre.rust .macro, pre.rust .macro-nonterminal { color: #3E999F; }
 pre.rust .lifetime { color: #B76514; }
 
-h1.section-link:hover a:after,
-h2.section-link:hover a:after,
-h3.section-link:hover a:after,
-h4.section-link:hover a:after,
-h5.section-link:hover a:after,
-h6.section-link:hover a:after {
-  content: '\2002\00a7\2002';
+.section-header {
+    border-bottom: none !important;
+    font-size: 1.1em !important;
+    margin: 0 !important;
+    padding: 0 !important;
+}
+.section-header:hover a:after {
+    content: '\2002\00a7\2002';
 }
 
-/** Media Queries **/
+/* Media Queries */
 
 @media (max-width: 700px) {
     .sidebar {