3 files changed, 9 insertions, 6 deletions
diff --git a/src/librustdoc/html/static/themes/ayu.css b/src/librustdoc/html/static/themes/ayu.css
index f4710f6ae87..94ee8a6f5bd 100644
--- a/src/librustdoc/html/static/themes/ayu.css
+++ b/src/librustdoc/html/static/themes/ayu.css
@@ -489,7 +489,7 @@ kbd {
 	box-shadow-color: #c6cbd1;
 }
 
-#theme-picker, #settings-menu {
+#theme-picker, #settings-menu, .help-button {
 	border-color: #5c6773;
 	background-color: #0f1419;
 }
@@ -499,7 +499,8 @@ kbd {
 }
 
 #theme-picker:hover, #theme-picker:focus,
-#settings-menu:hover, #settings-menu:focus {
+#settings-menu:hover, #settings-menu:focus,
+.help-button:hover, .help-button:focus {
 	border-color: #e0e0e0;
 }
 
diff --git a/src/librustdoc/html/static/themes/dark.css b/src/librustdoc/html/static/themes/dark.css
index b3b586ba362..c210216194e 100644
--- a/src/librustdoc/html/static/themes/dark.css
+++ b/src/librustdoc/html/static/themes/dark.css
@@ -383,13 +383,14 @@ kbd {
 	box-shadow-color: #c6cbd1;
 }
 
-#theme-picker, #settings-menu {
+#theme-picker, #settings-menu, .help-button {
 	border-color: #e0e0e0;
 	background: #f0f0f0;
 }
 
 #theme-picker:hover, #theme-picker:focus,
-#settings-menu:hover, #settings-menu:focus {
+#settings-menu:hover, #settings-menu:focus,
+.help-button:hover, .help-button:focus {
 	border-color: #ffb900;
 }
 
diff --git a/src/librustdoc/html/static/themes/light.css b/src/librustdoc/html/static/themes/light.css
index b0c5715604b..150460f5c5d 100644
--- a/src/librustdoc/html/static/themes/light.css
+++ b/src/librustdoc/html/static/themes/light.css
@@ -377,13 +377,14 @@ kbd {
 	box-shadow-color: #c6cbd1;
 }
 
-#theme-picker, #settings-menu {
+#theme-picker, #settings-menu, .help-button {
 	border-color: #e0e0e0;
 	background-color: #fff;
 }
 
 #theme-picker:hover, #theme-picker:focus,
-#settings-menu:hover, #settings-menu:focus {
+#settings-menu:hover, #settings-menu:focus,
+.help-button:hover, .help-button:focus {
 	border-color: #717171;
 }