How to Make Bootstrap 4 Cards Consistent in Height?

Achieving Uniform Card Heights in Bootstrap 4 Columns

When dealing with Bootstrap 4 Cards, it's inevitable to encounter variations in card heights due to content differences. To maintain consistency, many seek to ensure that all cards within a column have the same height.

Resolving the Issue

Despite attempts using CSS techniques like flexbox, the problem persists. However, the solution lies in leveraging Bootstrap 4's inherent flexbox functionality. By adding "h-100" to the card's CSS class, we force the card to take up the full height of its containing column.

<code class="html"><div class="col-md-4 col-sm-6 col-12">
    <div class="card h-100">
        <!-- Card content -->
    </div>
</div></code>

This modification ensures that all cards within a column have the same height, irrespective of their content.

Additional Considerations

• Avoid floats: The use of float on the cards is unnecessary, as Bootstrap 4 uses flexbox for column layout.
• Nested structure: The .col-* class should be placed directly within .row, not within .card-deck.

By incorporating these techniques, you can effectively maintain uniform card heights in Bootstrap 4 columns, enhancing the visual consistency of your web interface.

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