add button with icons demo in ui/buttons

pages/UI/buttons.html

@@ -1287,6 +1287,26 @@
           <!-- ./row -->
         <div class="row">
           <div class="col-md-6">
+            <!-- Buttons with Icons -->
+            <div class="card">
+              <div class="card-header">
+                <h3 class="card-title">Buttons with Icons</h3>
+              </div>
+              <div class="card-body row">
+                <div class="col-md-6">
+                  <button type="button" class="btn btn-primary btn-block"><i class="fa fa-bell"></i> .btn-block</button>
+                  <button type="button" class="btn btn-info btn-block btn-flat"><i class="fa fa-bell"></i> .btn-block .btn-flat</button>
+                  <button type="button" class="btn btn-danger btn-block btn-sm"><i class="fa fa-bell"></i> .btn-block .btn-sm</button>
+                </div>
+                <div class="col-md-6">
+                  <button type="button" class="btn btn-outline-primary btn-block"><i class="fa fa-bell"></i> .btn-block</button>
+                  <button type="button" class="btn btn-outline-info btn-block btn-flat"><i class="fa fa-book"></i> .btn-block .btn-flat</button>
+                  <button type="button" class="btn btn-outline-danger btn-block btn-sm"><i class="fa fa-book"></i> .btn-block .btn-sm</button>
+                </div>
+              </div>
+            </div>
+            <!-- /.card -->
+
             <!-- Block buttons -->
             <div class="card">
               <div class="card-header">