Fixes #11588: Scope font-size to only p elements in a .jumbotron and remove...

Fixes #11588: Scope font-size to only p elements in a .jumbotron and remove the supersized line-height from the base class

dist/css/bootstrap.css

@@ -4278,19 +4278,17 @@ a.list-group-item.active > .badge,
 .jumbotron {
   padding: 30px;
   margin-bottom: 30px;
-  font-size: 21px;
-  font-weight: 200;
-  line-height: 2.1428571435;
   color: inherit;
   background-color: #eee;
 }
 .jumbotron h1,
 .jumbotron .h1 {
-  line-height: 1;
   color: inherit;
 }
 .jumbotron p {
-  line-height: 1.4;
+  margin-bottom: 15px;
+  font-size: 21px;
+  font-weight: 200;
 }
 .container .jumbotron {
   border-radius: 6px;

less/jumbotron.less

@@ -6,19 +6,17 @@
 .jumbotron {
   padding: @jumbotron-padding;
   margin-bottom: @jumbotron-padding;
-  font-size: @jumbotron-font-size;
-  font-weight: 200;
-  line-height: (@line-height-base * 1.5);
   color: @jumbotron-color;
   background-color: @jumbotron-bg;
 
   h1,
   .h1 {
-    line-height: 1;
     color: @jumbotron-heading-color;
   }
   p {
-    line-height: 1.4;
+    margin-bottom: (@jumbotron-padding / 2);
+    font-size: @jumbotron-font-size;
+    font-weight: 200;
   }
 
   .container & {