Fix mobile menu rendering collision with tooltip.

Bring the mobile-mode menu in front of the ⓘ icon.

diff --git a/src/librustdoc/html/static/rustdoc.css b/src/librustdoc/html/static/rustdoc.css
index 01d2cbec1922145445b74d85b24f7df27ebe66a7..1480c54ce4084f51a50a7141bab0bc2a4c807e20 100644 (file)
--- a/src/librustdoc/html/static/rustdoc.css
+++ b/src/librustdoc/html/static/rustdoc.css
@@ -997,7 +997,7 @@ span.since {
                margin-left: -15px;
                padding: 0 15px;
                position: static;
-               z-index: 1;
+               z-index: 11;
        }
 
        .sidebar > .location {