Bulma v9 website (#3249)

* Add Bulma v9

* Add vendor dependencies

* Fix native

* Fix sponsors

* Add style attribute

docs/_sass/index/columns.scss

@@ -0,0 +1,65 @@
+#grid {
+  .notification {
+    padding-left: 0;
+    padding-right: 0;
+  }
+}
+
+.bd-columns-tools {
+  margin-top: 3rem;
+}
+
+.bd-columns-tool {
+  @extend %center;
+
+  .highlight {
+    font-size: 0.875em;
+  }
+
+  &.bd-is-try {
+    .buttons {
+      justify-content: center;
+    }
+    .button {
+      strong {
+        font-weight: $weight-semibold;
+      }
+    }
+  }
+}
+
+#markup {
+  width: 100%;
+
+  .highlight pre {
+    max-height: none;
+  }
+}
+
+#message {
+  display: none;
+  margin-top: 3rem;
+}
+
+@include mobile {
+  .bd-columns-tool {
+    &.bd-is-markup {
+      margin-top: 3rem;
+    }
+  }
+}
+
+@include tablet {
+  .bd-columns-tools {
+    align-items: flex-start;
+    display: flex;
+  }
+
+  .bd-columns-tool {
+    width: 50%;
+
+    &.bd-is-try {
+      padding-top: 60px;
+    }
+  }
+}