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How can I customize Bootstrap's tooltip styling with my own CSS?

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How can I customize Bootstrap's tooltip styling with my own CSS?

Asked on May 10, 2026

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To customize Bootstrap's tooltip styling, you can override the default CSS styles with your own. Here's a simple example of how to customize the tooltip's background color and text color.

<!-- BEGIN COPY / PASTE -->
        <style>
            .custom-tooltip .tooltip-inner {
                background-color: #5a5a5a; /* Custom background color */
                color: #ffffff; /* Custom text color */
            }
            .custom-tooltip .arrow::before {
                border-top-color: #5a5a5a; /* Custom arrow color */
            }
        </style>

        <button type="button" class="btn btn-secondary custom-tooltip" data-bs-toggle="tooltip" data-bs-placement="top" title="Custom tooltip">
            Hover me
        </button>

        <script>
            var tooltipTriggerList = [].slice.call(document.querySelectorAll('[data-bs-toggle="tooltip"]'));
            var tooltipList = tooltipTriggerList.map(function (tooltipTriggerEl) {
                return new bootstrap.Tooltip(tooltipTriggerEl);
            });
        </script>
        <!-- END COPY / PASTE -->

Additional Comment:

Use the `.custom-tooltip` class to apply custom styles to specific tooltips.
Override the `.tooltip-inner` for background and text color changes.
Adjust the `.arrow::before` for the tooltip arrow color.
Ensure you initialize tooltips using Bootstrap's JavaScript API.

✅ Answered with Bootstrap 5 best practices.

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How can I customize Bootstrap's tooltip styling with my own CSS?

Asked on May 10, 2026

Answer

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