diff --git a/doc/reference/_static/custom.css b/doc/reference/_static/custom.css
index 233131237a5..3f870bbe5a3 100644
--- a/doc/reference/_static/custom.css
+++ b/doc/reference/_static/custom.css
@@ -22,13 +22,18 @@ pre {
 
 input {
     display: block;
-    margin-bottom: 4px;
+    margin: 0 0 4px 0;
 }
 
 a.reference {
 	border-bottom: none;
 }
 
+input[type="submit"] {
+	border: none!important;
+	background: #fc0;
+}
+
 @font-face {
 	font-family: 'Yandex Sans Text Web';
 	src: url(https://yastatic.net/adv-www/_/yy5JveR58JFkc97waf-xp0i6_jM.eot);