in this example: i want the yellow column (which has longer content), to be equals to green column.
and make overflow: scroll
to first one.
USING CSS ONLY, NO JS
.long {
background-color: yellow;
}
.short {
background-color: green;
}
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
<div class="row">
<div class="col-6 long">
Lorem ipsum dolor sit amet, consectetur adipisicing elit. Molestias delectus ea mollitia perferendis veniam modi eligendi suscipit ipsum repellendus fugit reprehenderit ducimus fugiat excepturi, unde laborum deserunt commodi quis sit. Lorem ipsum dolor
sit amet, consectetur adipisicing elit. Molestias delectus ea mollitia perferendis veniam modi eligendi suscipit ipsum repellendus fugit reprehenderit ducimus fugiat excepturi, unde laborum deserunt commodi quis sit.
</div>
<div class="col-6 short">
Lorem ipsum dolor sit amet, consectetur adipisicing elit. Molestias delectus ea mollitia perferendis veniam modi eligendi suscipit ipsum repellendus fugit reprehenderit ducimus fugiat excepturi, unde laborum deserunt commodi quis sit.
</div>
</div>