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Register Style – font_awsome

// Register Style
function custom_styles() {

	wp_deregister_style( 'font-awesome' );
	wp_register_style( 'font-awesome', '//maxcdn.bootstrapcdn.com/font-awesome/4.1.0/css/font-awesome.min.css', false, '4.1.0' );
	wp_enqueue_style( 'font-awesome' );

}

// Hook into the 'wp_enqueue_scripts' action
add_action( 'wp_enqueue_scripts', 'custom_styles' );