/*
Theme Name: Storefront Child - Sotoriva
Template: storefront
Author: Felipe Sotoriva
Version: 1.0
*/


/* Importa CSS do tema pai */
@import url("../storefront/style.css");


/* Seu CSS personalizado abaixo */
.site-header {
border-bottom: 2px solid rgba(0,0,0,0.05);
}


.logo-site { max-height: 80px; }
<?php
// functions.php do child theme
add_action( 'wp_enqueue_scripts', 'storefront_child_enqueue_styles', 20 );
function storefront_child_enqueue_styles() {
wp_enqueue_style( 'storefront-child-style', get_stylesheet_uri(), array('storefront-style') );
}


// Adiciona suporte a logo personalizada
add_action( 'after_setup_theme', 'storefront_child_setup' );
function storefront_child_setup() {
add_theme_support( 'custom-logo', array(
'height' => 80,
'width' => 400,
'flex-height' => true,
) );
}