diff --git a/src/librustdoc/html/static/main.js b/src/librustdoc/html/static/main.js
index 1a15a444a701a..a04eaa7f0b270 100644
--- a/src/librustdoc/html/static/main.js
+++ b/src/librustdoc/html/static/main.js
@@ -862,6 +862,12 @@ function hideThemeButtonState() {
         displayHelp(true, ev);
     });
 
+    onEachLazy(document.getElementsByTagName("summary"), function(el) {
+        el.addEventListener("click", function() {
+           addClass(el, "used");
+        });
+    });
+
     onEachLazy(document.getElementsByTagName("a"), function(el) {
         // For clicks on internal links (<A> tags with a hash property), we expand the section we're
         // jumping to *before* jumping there. We can't do this in onHashChange, because it changes
diff --git a/src/librustdoc/html/static/rustdoc.css b/src/librustdoc/html/static/rustdoc.css
index 578e8ce5acbef..c429562348b66 100644
--- a/src/librustdoc/html/static/rustdoc.css
+++ b/src/librustdoc/html/static/rustdoc.css
@@ -580,7 +580,7 @@ nav.sub {
 
 .content .item-info {
 	position: relative;
-	margin-left: 33px;
+	margin-left: 24px; /* same as .docblock */
 	margin-top: -13px;
 }
 
@@ -588,14 +588,6 @@ nav.sub {
 	margin-top: initial;
 }
 
-.content .item-info::before {
-	content: '⬑';
-	font-size: 25px;
-	position: absolute;
-	top: -6px;
-	left: -19px;
-}
-
 .content .impl-items .method, .content .impl-items > .type, .impl-items > .associatedconstant,
 .impl-items > .associatedtype, .content .impl-items details > summary > .type,
 .impl-items details > summary > .associatedconstant,
@@ -1487,11 +1479,21 @@ details.rustdoc-toggle[open] > summary.hideme > span {
 	display: none;
 }
 
-details.rustdoc-toggle[open] > summary::before {
+/* If a toggle has been used to open a section, we should make sure */
+/* there's a [-] so it can be closed again. But if a toggle is open */
+/* and has never been used, don't show it. This minimizes clutter on */
+/* the page while still supporting the "auto hide <X>" settings and */
+/* the expand/collapse all functionality. */
+details.rustdoc-toggle[open] > summary.used::before {
 	content: "[−]";
 	display: inline;
 }
 
+details.rustdoc-toggle[open] > summary::before {
+	content: "";
+	display: inline;
+}
+
 details.undocumented > summary::before {
 	content: "[+] Show hidden undocumented items";
 	cursor: pointer;
diff --git a/src/librustdoc/html/static/themes/ayu.css b/src/librustdoc/html/static/themes/ayu.css
index d220d8708a123..034fd3151de21 100644
--- a/src/librustdoc/html/static/themes/ayu.css
+++ b/src/librustdoc/html/static/themes/ayu.css
@@ -165,8 +165,6 @@ pre, .rustdoc.source .example-wrap {
 	color: #c5c5c5;
 }
 
-.content .item-info::before { color: #ccc; }
-
 .content span.foreigntype, .content a.foreigntype { color: #ef57ff; }
 .content span.union, .content a.union { color: #98a01c; }
 .content span.constant, .content a.constant,
diff --git a/src/librustdoc/html/static/themes/dark.css b/src/librustdoc/html/static/themes/dark.css
index 6385a763f2ef7..752ec81fcee27 100644
--- a/src/librustdoc/html/static/themes/dark.css
+++ b/src/librustdoc/html/static/themes/dark.css
@@ -138,8 +138,6 @@ a.result-static:focus { background-color: #0063cc; }
 a.result-primitive:focus { background-color: #00708a; }
 a.result-keyword:focus { background-color: #884719; }
 
-.content .item-info::before { color: #ccc; }
-
 .content span.enum, .content a.enum, .block a.current.enum { color: #82b089; }
 .content span.struct, .content a.struct, .block a.current.struct { color: #2dbfb8; }
 .content span.type, .content a.type, .block a.current.type { color: #ff7f00; }
diff --git a/src/librustdoc/html/static/themes/light.css b/src/librustdoc/html/static/themes/light.css
index c19d5bfc317f7..6ac824dd76c05 100644
--- a/src/librustdoc/html/static/themes/light.css
+++ b/src/librustdoc/html/static/themes/light.css
@@ -136,8 +136,6 @@ a.result-static:focus { background-color: #c3e0ff; }
 a.result-primitive:focus { background-color: #9aecff; }
 a.result-keyword:focus { background-color: #f99650; }
 
-.content .item-info::before { color: #ccc; }
-
 .content span.enum, .content a.enum, .block a.current.enum { color: #508157; }
 .content span.struct, .content a.struct, .block a.current.struct { color: #ad448e; }
 .content span.type, .content a.type, .block a.current.type { color: #ba5d00; }