diff --git a/style.css b/style.css
index 49a653faa93db3..5ae097ceb1923d 100644
--- a/style.css
+++ b/style.css
@@ -531,3 +531,29 @@ p a {
position: relative;
left: 5px;
}
+
+.prototypes {
+ display: flex;
+ position: absolute;
+ top: 24px;
+ left: 24px;
+}
+
+.prototypes a {
+ display: inline-block;
+ width: 28px;
+ height: 28px;
+ font-size: 12px;
+ border: 1px solid #b4b9be;
+ line-height: 28px;
+ border-radius: 50%;
+ text-decoration: none;
+ text-align: center;
+ margin-right: 8px;
+}
+
+.prototypes a.is-current {
+ background: #008ec2;
+ border-color: #008ec2;
+ color: #fff;
+}