Fixes #14337: Round .jumbotron corners within .container and .container-fluid

dist/css/bootstrap.css

@@ -4655,7 +4655,8 @@ a.list-group-item.active > .badge,
 .jumbotron > hr {
   border-top-color: #d5d5d5;
 }
-.container .jumbotron {
+.container .jumbotron,
+.container-fluid .jumbotron {
   border-radius: 6px;
 }
 .jumbotron .container {

less/jumbotron.less

@@ -23,7 +23,8 @@
     border-top-color: darken(@jumbotron-bg, 10%);
   }
 
-  .container & {
+  .container &,
+  .container-fluid & {
     border-radius: @border-radius-large; // Only round corners at higher resolutions if contained in a container
   }