copy edits to docs

docs/base-css.html

@@ -74,7 +74,7 @@
 <header class="jumbotron subhead" id="overview">
   <div class="container">
     <h1>Base CSS</h1>
-    <p class="lead">On top of the scaffolding, basic HTML elements are styled and enhanced with extensible classes.</p>
+    <p class="lead">Fundamental HTML elements styled and enhanced with extensible classes.</p>
   </div>
 </header>
 

docs/scaffolding.html

@@ -74,7 +74,7 @@
 <header class="jumbotron subhead" id="overview">
   <div class="container">
     <h1>Scaffolding</h1>
-    <p class="lead">Bootstrap is built on a responsive 12-column grid and includes fixed- and fluid-width layouts.</p>
+    <p class="lead">Bootstrap is built on responsive 12-column grids, layouts, and components.</p>
   </div>
 </header>
 

docs/templates/pages/base-css.mustache

@@ -3,7 +3,7 @@
 <header class="jumbotron subhead" id="overview">
   <div class="container">
     <h1>{{_i}}Base CSS{{/i}}</h1>
-    <p class="lead">{{_i}}On top of the scaffolding, basic HTML elements are styled and enhanced with extensible classes.{{/i}}</p>
+    <p class="lead">{{_i}}Fundamental HTML elements styled and enhanced with extensible classes.{{/i}}</p>
   </div>
 </header>
 

docs/templates/pages/scaffolding.mustache

@@ -3,7 +3,7 @@
 <header class="jumbotron subhead" id="overview">
   <div class="container">
     <h1>{{_i}}Scaffolding{{/i}}</h1>
-    <p class="lead">{{_i}}Bootstrap is built on a responsive 12-column grid and includes fixed- and fluid-width layouts.{{/i}}</p>
+    <p class="lead">{{_i}}Bootstrap is built on responsive 12-column grids, layouts, and components.{{/i}}</p>
   </div>
 </header>