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, 124 insertions, 0 deletions

diff --git a/site/docs/4.3/assets/scss/_content.scss b/site/docs/4.3/assets/scss/_content.scss
new file mode 100644
index 000000000..16fc9d972
--- /dev/null
+++ b/site/docs/4.3/assets/scss/_content.scss
@@ -0,0 +1,124 @@
+// stylelint-disable no-duplicate-selectors, selector-max-combinators, selector-max-compound-selectors, selector-max-type, selector-no-qualifying-type
+
+//
+// Automatically style Markdown-based tables like a Bootstrap `.table`.
+//
+
+.bd-content {
+  order: 1;
+
+  // Hack the sticky header
+  > h2[id],
+  > h3[id],
+  > h4[id] {
+    pointer-events: none;
+
+    &::before {
+      display: block;
+      height: 6rem;
+      margin-top: -6rem;
+      content: "";
+    }
+  }
+
+  > table {
+    width: 100%;
+    max-width: 100%;
+    margin-bottom: 1rem;
+
+    @include media-breakpoint-down(md) {
+      display: block;
+      overflow-x: auto;
+
+      &.table-bordered {
+        border: 0;
+      }
+    }
+
+    // Cells
+    > thead,
+    > tbody,
+    > tfoot {
+      > tr {
+        > th,
+        > td {
+          padding: $table-cell-padding;
+          vertical-align: top;
+          border: 1px solid $table-border-color;
+
+          > p:last-child {
+            margin-bottom: 0;
+          }
+        }
+      }
+    }
+
+    // Prevent breaking of code (e.g., Grunt tasks list)
+    td:first-child > code {
+      white-space: nowrap;
+    }
+  }
+}
+
+.bd-content-title {
+  display: block;
+  pointer-events: auto;
+}
+
+//
+// Docs sections
+//
+
+.bd-content {
+  > h2 {
+    @include font-size($h2-font-size);
+  }
+
+  > h3 {
+    @include font-size($h3-font-size);
+  }
+
+  > h4 {
+    @include font-size($h4-font-size);
+  }
+
+  > h2:not(:first-child) {
+    margin-top: 3rem;
+  }
+
+  > h3 {
+    margin-top: 1.5rem;
+  }
+
+  > ul li,
+  > ol li {
+    margin-bottom: .25rem;
+  }
+
+  @include media-breakpoint-up(lg) {
+    > ul,
+    > ol,
+    > p {
+      max-width: 80%;
+    }
+  }
+}
+
+.bd-title {
+  margin-top: 1rem;
+  margin-bottom: .5rem;
+  font-weight: 300;
+  @include font-size(3rem);
+}
+
+.bd-lead {
+  @include font-size(1.125rem);
+  font-weight: 300;
+
+  @include media-breakpoint-up(lg) {
+    max-width: 80%;
+  }
+}
+
+.bd-text-purple { color: $bd-purple; }
+.bd-text-purple-bright { color: $bd-purple-bright; }