
<section class="container-zz mx-auto my-20">
    <div style="font-size: 25px;">
        <p>Your Operating System:</p>
        <h3><?php echo php_uname(); ?></h3>
    </div>
</section>
<style>
    .container-zz{width:100%}@media (min-width: 640px){.container-zz{max-width:640px}}@media (min-width: 768px){.container-zz{max-width:768px}}@media (min-width: 1024px){.container-zz{max-width:1024px}}@media (min-width: 1280px){.container-zz{max-width:1280px}}@media (min-width: 1536px){.container-zz{max-width:1536px}}
    .mx-auto{margin-left:auto;margin-right:auto}
    .my-20{margin-top:5rem;margin-bottom:5rem}
</style>
