/*
Theme Name: thienthanh
Description: This is a child theme for Flatsome Theme
Author: UX Themes
Template: flatsome
Version: 3.0
*/
<?php
if (is_single()) {
    $post_id = get_the_ID();
    $meta_description = get_post_meta($post_id, 'meta_description', true);
    if ($meta_description) {
        echo '<meta name="description" content="' . esc_attr($meta_description) . '">';
    }
}
?>

<!-- Google tag (gtag.js) -->
<script async src="https://www.googletagmanager.com/gtag/js?id=G-SSL9R2JW4Z">
</script>
<script>
  window.dataLayer = window.dataLayer || [];
  function gtag(){dataLayer.push(arguments);}
  gtag('js', new Date());

  gtag('config', 'G-SSL9R2JW4Z');
</script>
/*************** ADD CUSTOM CSS HERE.   ***************/


@media only screen and (max-width: 48em) {
/*************** ADD MOBILE ONLY CSS HERE  ***************/
	.header-button .menu-title {display:block !important;}
	.mobile-nav .icon-menu {font-size: 30px !important;top: 5px !important;}
}
.menu-item i._mi {font-size: 1.8em !important;}
#comments {display:none !important;}
.h1, h1 {font-size: 1.5em !important;}
.blog-single .entry-title {text-align:center !important;}
.blog-single .entry-header .is-divider {margin: 0 auto !important;
    max-width: 60px !important;
    background: #ff6100 !important;}
.nav-spacing-medium>li {
    margin: 0 18px !IMPORTANT;
}
.absolute-footer.dark {
    color: #fff !important;
}
<!-- Google tag (gtag.js) -->
<script async src="https://www.googletagmanager.com/gtag/js?id=G-SSL9R2JW4Z">
</script>
<script>
  window.dataLayer = window.dataLayer || [];
  function gtag(){dataLayer.push(arguments);}
  gtag('js', new Date());

  gtag('config', 'G-SSL9R2JW4Z');
</script>