Available modifiers
page__main--colored
Structure
page
├── page__header (optional)
├── page__main (modifier)
├── page__footer (optional)
Example HTML
<body class="page">
<header class="page__header">
...
</header>
<main class="page__main">
...
</main>
<footer class="page__footer">
...
</footer>
</body>