@niharikabalachandra,

Please follow the given steps below.

1. Create a Child Theme and activate it. Note : Or, use WP Child Theme Generator plugin to create a new child theme easily without any coding.

2. Copy and paste the following code in your child theme’s functions.php .

function biography_after_text_slider() {
    global $biography_customizer_all_values;
    $biography_header_contact_url = $biography_customizer_all_values['biography-header-contact-url'];
    $biography_header_contact_url_button_text = $biography_customizer_all_values['biography-header-contact-url-button-text'];
    $biography_header_resume_url = $biography_customizer_all_values['biography-header-resume-url'];
    $biography_header_resume_url_button_text = $biography_customizer_all_values['biography-header-resume-url-button-text'];
    if( empty( $biography_header_contact_url) && empty ( $biography_header_resume_url ) ){
        return;
    }
    ?>
    <div class="goest-btn">
        <?php
        if( !empty( $biography_header_contact_url) ){
            ?>
            <a class="button button-feature button-contact" target="_blank" href="<?php echo esc_url( $biography_header_contact_url ); ?>">
                <?php echo esc_html($biography_header_contact_url_button_text);?>
            </a>
            <?php
        }
        if( !empty( $biography_header_resume_url) ){
            ?>
            <a class="button button-feature button-resume line-btn" target="_blank" href="<?php echo esc_url( $biography_header_resume_url ); ?>">
                <?php echo esc_html($biography_header_resume_url_button_text);?>
            </a>
            <?php
        }
        ?>
    </div>
    <?php
}

3. Finally, Download button will open in new tab.

Let us know if you have any problem.