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-rw-r--r--src/librustdoc/html/static/rustdoc.css4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/librustdoc/html/static/rustdoc.css b/src/librustdoc/html/static/rustdoc.css
index 3f4bd2886b1..391526f0a30 100644
--- a/src/librustdoc/html/static/rustdoc.css
+++ b/src/librustdoc/html/static/rustdoc.css
@@ -1098,6 +1098,10 @@ h3 > .collapse-toggle, h4 > .collapse-toggle {
 	border-style: solid;
 }
 
+.tooltip:hover .tooltiptext {
+	display: inline;
+}
+
 .tooltip.compile_fail, .tooltip.should_panic, .tooltip.ignore {
 	font-weight: bold;
 	font-size: 20px;