feat(blank slate): Add content variant for Blank Slate (#1133)

This variant removes the padding, sets a 20px margin around the component
and removes the borders.

Author: jeff-phillips-18

src/less/blank-slate.less

@@ -42,4 +42,11 @@
   button {
     margin-bottom: 5px;
   }
+
+  &.blank-slate-content-pf {
+    background: transparent;
+    border: 0;
+    padding: 0;
+    margin: 20px;
+  }
 }

src/sass/converted/patternfly/_blank-slate.scss

@@ -42,4 +42,11 @@
   button {
     margin-bottom: 5px;
   }
+
+  &.blank-slate-content-pf {
+    background: transparent;
+    border: 0;
+    padding: 0;
+    margin: 20px;
+  }
 }

src/sass/converted/rcue/_blank-slate.scss

@@ -42,4 +42,11 @@
   button {
     margin-bottom: 5px;
   }
+
+  &.blank-slate-content-pf {
+    background: transparent;
+    border: 0;
+    padding: 0;
+    margin: 20px;
+  }
 }

tests/pages/blank-slate.html

@@ -5,7 +5,7 @@
 resource: true
 ---
 
-<h2>Empty Blank Slate</h2>
+<h2>Blank Slate</h2>
 <div class="blank-slate-pf">
   <h1>Empty State Title</h1>
   <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.</p>
@@ -17,11 +17,13 @@ <h1>Empty State Title</h1>
   </div>
 </div>
 <hr>
-<h2>Empty Slate with icon and secondary actions</h2>
+<h2>Blank Slate with icon and secondary actions</h2>
 {% include widgets/communication/blank-slate.html %}
 <hr>
-<h2>Empty Slate with multiple secondary action buttons</h2>
+<h2>Blank Slate with multiple secondary action buttons</h2>
 {% include widgets/communication/blank-slate-multiple-secondary-action-buttons.html %}
 <hr>
-<h2>Empty Slate with multiple secondary action links</h2>
+<h2>Blank Slate with multiple secondary action links</h2>
 {% include widgets/communication/blank-slate-multiple-secondary-action-links.html %}
+<h2>Blank Slate - Content variation</h2>
+{% include widgets/communication/blank-slate.html extraClass="blank-slate-content-pf"%}