Add variables data

docs/documentation/form/general.html

@@ -99,10 +99,10 @@ variables:
 
 <div class="field is-grouped">
   <div class="control">
-    <button class="button is-primary">Submit</button>
+    <button class="button is-link">Submit</button>
   </div>
   <div class="control">
-    <button class="button is-link">Cancel</button>
+    <button class="button is-text">Cancel</button>
   </div>
 </div>
 {% endcapture %}
@@ -828,14 +828,7 @@ variables:
       When combining several controls in a <strong>form</strong>, use the <code>.field</code> class as a <strong>container</strong>, to keep the spacing consistent.</p>
     </div>
 
-    <div class="columns">
-      <div class="column is-half">
-        {{ example }}
-      </div>
-      <div class="column is-half">
-        {% highlight html %}{{ example }}{% endhighlight %}
-      </div>
-    </div>
+    {% include snippet.html content=example more=true %}
 
     {% include anchor.html name="Form field" %}