Improve resize handling

Author: GuillaumeGomez

src/librustdoc/html/static/rustdoc.css

@@ -1578,7 +1578,7 @@ h4 > .notable-traits {
 	}
 }
 
-@media (max-width: 416px) {
+@media (max-width: 464px) {
 	#titles, #titles > button {
 		height: 73px;
 	}