It changes the font of the multi-step donation form to Roboto.

change_font_to_roboto.php

<?php
function change_font_to_Roboto() {
    wp_add_inline_style(
        /**
         *  Below, use give-sequoia-template-css to style the multi-step donation form
         *  or use give-donor-dashboards-app to style the donor dashboard
         */
        'give-sequoia-template-css',
        '
	@import url("https://fonts.googleapis.com/css?family=Roboto");

        body, button, input, select, .give-donation-summary-section {
		font-family: “Roboto”, sans-serif;
	}
        '
    );
}

add_action('wp_print_styles', 'change_font_to_Roboto', 10);