flecss is a minimalist and straightforward (S)CSS framework.
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/flecss/css/flecss.css"><div class="flex_3">
<p class="padding_vertical--xs">
HTML <span class="viewport_min-m">(Hypertext Markup Language)</span> is for structure.
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CSS <span class="viewport_min-m">(Cascading Style Sheets)</span> is for styling.
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<p class="padding_vertical--xs">
JS <span class="viewport_min-m">(JavaScript)</span> is for behaviour.
</p>
</div>© Thassilo Martin Schiepanski