go/doc: hide "Program exited." message from front page playground output

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/6934049

diff --git a/doc/style.css b/doc/style.css
index a93aa2827cfc5cbf579666aaf0beb996b946e840..f4fcf3eae85dd67b2c0812b4e4bf114de4703822 100644 (file)
--- a/doc/style.css
+++ b/doc/style.css
@@ -354,6 +354,9 @@ div#learn .toys select {
        border: 1px solid #375EAB;
        margin: 0;
 }
+div#learn .output .exit {
+       display: none;
+}
 
 div#blog,
 div#video {