nested selectors

by Alexander Zonov

HTML

<div class="phx-b-compatibily-message">
  Please enable JS to make this site working. 
</div>

CSS

.phx-b-compatibility-message {
    display: block;
}

// tag body or html could stay in css to help detect rules that shouldn't be fire 
body.js-enabled .phx-b-compatibility-message {
    display: none;
}