Zmiana kolejności kolumn we Boot4 Flex #html #css

reorder_col_flex_boot4.html

<div class="container">
    <div class="row">
      /// mobile-first!
        <div class="col-3 col-md-6">
            <div class="card card-body">1</div>
        </div>
        <div class="col-6 col-md-12 order-2 order-md-12"> ///kolejność order-*-*
            <div class="card card-body">3</div>
        </div>
        <div class="col-3 col-md-6 order-3">
            <div class="card card-body">2</div>
        </div>
    </div>
</div>