woo.css

/* align button on product page??? */
div.product form.cart .button {
    margin-top: 0;
}

#customer_details * {
    max-width: 100% !important
}
/* button colors **/
.woocommerce #respond input#submit.alt, .woocommerce a.button.alt, .woocommerce button.button.alt, .woocommerce input.button.alt {
    background-color: #1e73be;
}

.woocommerce #respond input#submit, .woocommerce a.button, .woocommerce button.button, .woocommerce input.button {
    color: #ffffff;
    background-color: #1e73be;
}
/* woo checkout */
.page-id-2308 .woocommerce-notices-wrapper {
    display: none;
}
.woocommerce-checkout .form-row {
    display: block;
}

woo_single_page_checkout.php

/* add woo cart to checkout **/

function jma_cart_on_checkout_page_only()
{
    if (is_wc_endpoint_url('order-received')) {
        return;
    }

    echo do_shortcode('[woocommerce_cart]');
}
add_action('woocommerce_before_checkout_form', 'jma_cart_on_checkout_page_only', 5);


function jma_redirect_empty_cart_checkout_to_custom()
{
    if (is_checkout() && 0 == WC()->cart->get_cart_contents_count() && ! is_wc_endpoint_url('order-pay') && ! is_wc_endpoint_url('order-received')) {
        wp_safe_redirect(get_permalink(2311));
        exit;
    }
}
add_action('template_redirect', 'jma_redirect_empty_cart_checkout_to_custom');

function jma_change_cart_url_to_checkout()
{
    return wc_get_checkout_url();
}
add_filter('woocommerce_get_cart_url', 'jma_change_cart_url_to_checkout', 10, 1);

function jma_return_to_shop_redirect()
{
    return get_permalink(2311);
}
add_filter('woocommerce_return_to_shop_redirect', 'jma_return_to_shop_redirect');

function jma_redirect_checkout_add_cart()
{
    return wc_get_checkout_url();
}
add_filter('woocommerce_add_to_cart_redirect', 'jma_redirect_checkout_add_cart');

function jma_woocommerce_custom_product_add_to_cart_text()
{
    return __('Buy Now', 'woocommerce');
}
//add_filter('woocommerce_product_add_to_cart_text', 'jma_woocommerce_custom_product_add_to_cart_text');
add_filter('woocommerce_product_single_add_to_cart_text', 'jma_woocommerce_custom_product_add_to_cart_text');