Use Google Custom Fonts in WordPress

functions.php

<?php

// Use Google Custom Fonts in WordPress

function load_custom_fonts() {
        wp_register_style('googleFonts', 'http://fonts.googleapis.com/css?family=Rock+Salt|Neucha');
        wp_enqueue_style( 'googleFonts');
    }

add_action('wp_print_styles', 'load_custom_fonts');

style.css

Using 'Neucha' custom font

// Before

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: Helvetica, Arial, sans-serif;
	line-height: 1.25;
	margin: 0 0 10px;
}

// After - 'Neucha' font added

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Neucha', Helvetica, Arial, sans-serif;
    line-height: 1.25;
	margin: 0 0 10px;
}