Hello,
Try to create a new HTML block with the following code (from our demo, don’t forget to change image and text) and then place this block’s shortcode to the promo popup text field in Theme Settings
[vc_row content_placement="middle"][vc_column width="1/2"][vc_single_image image="23149" img_size="full" css=".vc_custom_1459944906701{margin-top: -20px !important;margin-right: -20px !important;margin-bottom: -20px !important;margin-left: -20px !important;}"][/vc_column][vc_column width="1/2"][vc_column_text css=".vc_custom_1459945099927{margin-bottom: 0px !important;padding-top: 40px !important;padding-right: 20px !important;padding-bottom: 40px !important;padding-left: 20px !important;}"]
<h1 style="margin-bottom: 0px; text-align: center;"><strong>HEY YOU, SIGN UP AND</strong></h1>
<h1 style="text-align: center;"><strong>CONNECT TO<span style="color: #0f8a7e;"> BASEL & CO.</span></strong></h1>
<p style="text-align: center; font-size: 16px;">Be the first to learn about our latest trends
and get exclusive offers.</p>
[mc4wp_form][/vc_column_text][/vc_column][/vc_row]