Add google fonts to Genesis, includes some popular fonts.

functions.php

<?php

/* Enqueue google fonts
------------------------------------------------------------ */

add_action( 'wp_enqueue_scripts', 'genesis_sample_google_fonts' );
function genesis_sample_google_fonts() {
        wp_enqueue_style( 'google-font-raleway', '//fonts.googleapis.com/css?family=Raleway:400,700,800,900', array(), CHILD_THEME_VERSION );
	wp_enqueue_style( 'google-font-karla', '//fonts.googleapis.com/css?family=Karla:400,700', array(), CHILD_THEME_VERSION );
	wp_enqueue_style( 'google-font-lato', '//fonts.googleapis.com/css?family=Lato:400,700', array(), CHILD_THEME_VERSION );
        wp_enqueue_style( 'google-font-sans', '//fonts.googleapis.com/css?family=Open+Sans:400,700', array(), CHILD_THEME_VERSION );
}