diff --git a/views/login.html b/views/login.html
index d0629d3..6df9ebf 100644
--- a/views/login.html
+++ b/views/login.html
@@ -19,7 +19,7 @@
                     <img title="Wide, a Web-based IDE for Teams using Golang." src="{{.conf.StaticServer}}/static/images/wide-logo.png" 
                          class="logo"/></a>
                 <ul class="fn-right">
-                    <li><a rel="bookmark" href="/playground" target="_blank">Play</a></li>
+                    <li><a href="/playground" target="_blank" style="color: #cd504a">Play</a></li>
                     <li><a rel="bookmark" href="https://github.com/b3log/wide" target="_blank">GitHub</a></li>
                     <li><a rel="help" href="https://www.gitbook.io/book/88250/wide-user-guide" target="_blank">{{.i18n.help}}</a></li>
                     <li><a rel="bookmark" href="https://github.com/b3log/wide/issues/new" target="_blank">{{.i18n.issues}}</a></li>
diff --git a/views/sign_up.html b/views/sign_up.html
index 8f9f52c..0871b98 100644
--- a/views/sign_up.html
+++ b/views/sign_up.html
@@ -19,7 +19,7 @@
                     <img title="Wide, a Web-based IDE for Teams using Golang." src="{{.conf.StaticServer}}/static/images/wide-logo.png" 
                          class="logo"/></a>
                 <ul class="fn-right">
-                    <li><a rel="bookmark" href="/playground" target="_blank">Play</a></li>
+                    <li><a href="/playground" target="_blank" style="color: #cd504a">Play</a></li>
                     <li><a rel="bookmark" href="https://github.com/b3log/wide" target="_blank">GitHub</a></li>
                     <li><a rel="help" href="https://www.gitbook.io/book/88250/wide-user-guide" target="_blank">{{.i18n.help}}</a></li>
                     <li><a rel="bookmark" href="https://github.com/b3log/wide/issues/new" target="_blank">{{.i18n.issues}}</a></li>