content/static/css: make .JumpDialog's position fixed.

add `position:fixed;` to `.JumpDialog` class to always keep it on visible viewport even if the page is scrolled. fixes golang/go#43840
2021-01-22 13:17:43 +05:30 · 2021-01-22 13:17:43 +05:30 · 47879a522f
--- a/content/static/css/stylesheet.css
+++ b/content/static/css/stylesheet.css
@ -1587,6 +1587,7 @@ table.Directories {
 }

 .JumpDialog {
+  position: fixed;
  width: 25rem;
 }
 .JumpDialog-body {