Release v4.3.0 (#28228)v4.3.0

* Prep for v4.3.0

* More updates for v4.3.0.

* rerun to build docs source map

1 files changed, 34 insertions, 0 deletions

diff --git a/site/docs/4.3/examples/cover/index.html b/site/docs/4.3/examples/cover/index.html
new file mode 100644
index 000000000..0b74e4fae
--- /dev/null
+++ b/site/docs/4.3/examples/cover/index.html
@@ -0,0 +1,34 @@
+---
+layout: examples
+title: Cover Template
+extra_css: "cover.css"
+body_class: "text-center"
+include_js: false
+---
+
+<div class="cover-container d-flex w-100 h-100 p-3 mx-auto flex-column">
+  <header class="masthead mb-auto">
+    <div class="inner">
+      <h3 class="masthead-brand">Cover</h3>
+      <nav class="nav nav-masthead justify-content-center">
+        <a class="nav-link active" href="#">Home</a>
+        <a class="nav-link" href="#">Features</a>
+        <a class="nav-link" href="#">Contact</a>
+      </nav>
+    </div>
+  </header>
+
+  <main role="main" class="inner cover">
+    <h1 class="cover-heading">Cover your page.</h1>
+    <p class="lead">Cover is a one-page template for building simple and beautiful home pages. Download, edit the text, and add your own fullscreen background photo to make it your own.</p>
+    <p class="lead">
+      <a href="#" class="btn btn-lg btn-secondary">Learn more</a>
+    </p>
+  </main>
+
+  <footer class="mastfoot mt-auto">
+    <div class="inner">
+      <p>Cover template for <a href="https://getbootstrap.com/">Bootstrap</a>, by <a href="https://twitter.com/mdo">@mdo</a>.</p>
+    </div>
+  </footer>
+</div>