$( '.llms_certificate_clear_image_button' ).click(function(e) {
        e.preventDefault();
        var certificate_remove_input_id = 'input#' + this.id + '.upload_certificate_image';
        var certificate_img_src         = 'img#' + this.id + '.llms_certificate_image';
        var certificate_default_img_src = $( 'img#' + this.id + '.llms_certificate_default_image' ).attr( "src" );