diff --git a/adminer/static/default.css b/adminer/static/default.css
index 32859079..23f4352d 100644
--- a/adminer/static/default.css
+++ b/adminer/static/default.css
@@ -21,7 +21,7 @@ code { background: #eee; }
 tbody tr:hover td, tbody tr:hover th { background: #eee; }
 pre { margin: 1em 0 0; }
 input[type=image] { vertical-align: middle; }
-input.default { box-shadow: 1px 1px 1px rgba(0, 0, 0, .5); }
+input.default { box-shadow: 1px 1px 1px #777; }
 .block { display: block; }
 .version { color: #777; font-size: 67%; }
 .js .hidden, .nojs .jsonly { display: none; }