Prepare v5.0.0-alpha2. (#31748)

dist/css/bootstrap-utilities.css

@@ -1,5 +1,5 @@
 /*!
- * Bootstrap Utilities v5.0.0-alpha1 (https://getbootstrap.com/)
+ * Bootstrap Utilities v5.0.0-alpha2 (https://getbootstrap.com/)
  * Copyright 2011-2020 The Bootstrap Authors
  * Copyright 2011-2020 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
@@ -121,6 +121,58 @@
   position: sticky !important;
 }
 
+.top-0 {
+  top: 0 !important;
+}
+
+.top-50 {
+  top: 50% !important;
+}
+
+.top-100 {
+  top: 100% !important;
+}
+
+.bottom-0 {
+  bottom: 0 !important;
+}
+
+.bottom-50 {
+  bottom: 50% !important;
+}
+
+.bottom-100 {
+  bottom: 100% !important;
+}
+
+.left-0 {
+  left: 0 !important;
+}
+
+.left-50 {
+  left: 50% !important;
+}
+
+.left-100 {
+  left: 100% !important;
+}
+
+.right-0 {
+  right: 0 !important;
+}
+
+.right-50 {
+  right: 50% !important;
+}
+
+.right-100 {
+  right: 100% !important;
+}
+
+.translate-middle {
+  transform: translateX(-50%) translateY(-50%) !important;
+}
+
 .border {
   border: 1px solid #dee2e6 !important;
 }