Styling

<?php

// Change some woocommerce email styling
add_filter('woocommerce_email_styles', function ($css) {
	$css .= "
  #template_container {
    border: 1px solid #e5e5e5;
    border-radius: 0 !important;
    box-shadow: none !important;
  }
  #template_header {
    border-radius: 0 !important;
    background: #2b2b2b;
  }
  #header_wrapper h1 {
    text-shadow: none;
  }
  address {
    font-style: normal;
    line-height: 25px;
  }
  ";
	return $css;
});