diff --git a/docs/lab/css/common.css b/docs/lab/css/common.css
index 482a6822d..62a21aeb7 100644
--- a/docs/lab/css/common.css
+++ b/docs/lab/css/common.css
@@ -42,7 +42,7 @@ html, body {
}
.part-left .lib {
- height: 50px;
+ height: 30px;
padding: 5px;
outline: none;
resize: none;
diff --git a/docs/lab/index.html b/docs/lab/index.html
index ee9ba8af2..8459146d9 100644
--- a/docs/lab/index.html
+++ b/docs/lab/index.html
@@ -41,6 +41,7 @@
+