Fix display of small-section-header elements

Author: GuillaumeGomez

src/librustdoc/html/render/mod.rs

@@ -1027,7 +1027,7 @@ fn render_assoc_items(
                 write!(
                     w,
                     "<h2 id=\"deref-methods\" class=\"small-section-header\">\
-                         Methods from {trait_}&lt;Target = {type_}&gt;\
+                         <span>Methods from {trait_}&lt;Target = {type_}&gt;</span>\
                          <a href=\"#deref-methods\" class=\"anchor\"></a>\
                      </h2>",
                     trait_ = trait_.print(cx),

src/librustdoc/html/static/css/rustdoc.css

@@ -1092,11 +1092,6 @@ a.test-arrow:hover{
 	left: -10px;
 }
 
-#main > .variant, #main > .structfield {
-	display: block;
-}
-
-
 :target > code {
 	opacity: 1;
 }