diff --git a/doc/_static/mpl.css b/doc/_static/mpl.css
index d037550666c4..6063c9a16224 100644
--- a/doc/_static/mpl.css
+++ b/doc/_static/mpl.css
@@ -926,6 +926,30 @@ figcaption {
#unreleased-message a {
color: #fff;
text-decoration:underline;
+
+}
+
+/* top-banner style message. */
+#annc-banner {
+ box-sizing: border-box;
+ left: 0;
+ min-height: 3em;
+ padding: 0.7em;
+ top: 0;
+ width: 100%;
+ z-index: 10000;
+ background-image: linear-gradient(90deg, #440154, #482475, #414487, #355f8d, #2a788e, #21908d, #22a884, #42be71, #7ad151, #bddf26, #bddf26);
+ padding: 5px
+}
+
+#annc-banner a {
+ font-weight: bold;
+}
+
+#annc-banner p{
+ background-color: rgba(255, 255, 255, .8);
+ padding: 13px;
+ margin:0;
}
/* Fork me on GitHub "button" */
diff --git a/doc/_templates/layout.html b/doc/_templates/layout.html
index 75984fed978a..d81e8c23fb2f 100644
--- a/doc/_templates/layout.html
+++ b/doc/_templates/layout.html
@@ -5,6 +5,7 @@
contents »
{%- endblock %}
+
{%- block relbar1 %}{{ relbar() }}{% endblock %}
{%- block relbar2 %}{% endblock %}
@@ -27,7 +28,25 @@
Try searching for the released version of this page instead?
+
{%- endif %}
+
+
+
+
+
+
+