Shortcode used:
[flexi-common-toolbar]
[flexi-form class="pure-form pure-form-stacked" title="My Form" name="my-form" ajax="true" type="image"][flexi-form-tag type="post_title" title="Title" value="" placeholder="" required="true"][flexi-form-tag type="category" title="Select Category" id="44"][flexi-form-tag type="tag" title="Insert Tag"][flexi-form-tag type="article" title="Description" placeholder=""][flexi-form-tag type="file_multiple" title="Select File" class="flexi_drag_file" multiple="true" required="true"][flexi-form-tag type="submit" name="flexi_submit_button" value="Submit"][/flexi-form]