Overflow

Overflow utilities control what happens when content is bigger than its box: overflow-auto scrolls when needed, overflow-hidden clips, overflow-visible lets content spill and overflow-scroll always shows scrollbars. overflow-x-* and overflow-y-* handle each axis separately, ideal for wide tables and side-scrolling rows.

1The four overflow values

overflow-auto, overflow-hidden, overflow-visible and overflow-scroll on boxes of fixed height.

overflow-auto

Clear prices, honest advice and no surprises along the way. We work with most insurance providers and explain any costs upfront. Your records are private, secure and always available when you need them. Video consultations let you speak with a doctor from the comfort of home.

overflow-hidden

overflow-visible

overflow-scroll

<div class="row g-3 small">
  <div class="col-6 col-md-3">
    <code>overflow-auto</code>
    <div class="overflow-auto border rounded-3 p-2 bg-body-tertiary" style="height:100px">
      Clear prices, honest advice and no surprises along the way. We work with most insurance providers and explain any costs upfront. Your records are private, secure and always available when you need them. Video consultations let you speak with a doctor from the comfort of home.
    </div>
  </div>
  <div class="col-6 col-md-3">
    <code>overflow-hidden</code>
    <div class="overflow-hidden border rounded-3 p-2 bg-body-tertiary" style="height:100px">
      Clear prices, honest advice and no surprises along the way. We work with most insurance providers and explain any costs upfront. Your records are private, secure and always available when you need them. Video consultations let you speak with a doctor from the comfort of home.
    </div>
  </div>
  <div class="col-6 col-md-3">
    <code>overflow-visible</code>
    <div class="overflow-visible border rounded-3 p-2 bg-body-tertiary mb-5" style="height:100px">
      Clear prices, honest advice and no surprises along the way. We work with most insurance providers and explain any costs upfront. Your records are private, secure and always available when you need them. Video consultations let you speak with a doctor from the comfort of home.
    </div>
  </div>
  <div class="col-6 col-md-3">
    <code>overflow-scroll</code>
    <div class="overflow-scroll border rounded-3 p-2 bg-body-tertiary" style="height:100px">
      Clear prices, honest advice and no surprises along the way. We work with most insurance providers and explain any costs upfront. Your records are private, secure and always available when you need them. Video consultations let you speak with a doctor from the comfort of home.
    </div>
  </div>
</div>

2Horizontal scroll only

overflow-x-auto with flex-nowrap scrolls a row of cards sideways.

Dental care

Lab tests

Dental care

Telehealth

Physiotherapy

<div class="d-flex flex-nowrap gap-2 overflow-x-auto pb-2">
  <div class="border rounded-3 p-3 flex-shrink-0" style="width:160px">
    <div class="fw-semibold small">
      Dental care
    </div>
  </div>
  <div class="border rounded-3 p-3 flex-shrink-0" style="width:160px">
    <div class="fw-semibold small">
      Lab tests
    </div>
  </div>
  <div class="border rounded-3 p-3 flex-shrink-0" style="width:160px">
    <div class="fw-semibold small">
      Dental care
    </div>
  </div>
  <div class="border rounded-3 p-3 flex-shrink-0" style="width:160px">
    <div class="fw-semibold small">
      Telehealth
    </div>
  </div>
  <div class="border rounded-3 p-3 flex-shrink-0" style="width:160px">
    <div class="fw-semibold small">
      Physiotherapy
    </div>
  </div>
</div>

3Vertical scroll only

overflow-y-auto and a max-height make a scrolling list.

Mia Alvarez
Hana Ortega
Diego Duarte
Arjun Nguyen
Ivy Ashford
Chloe Whitaker

<ul class="list-unstyled border rounded-3 overflow-y-auto mb-0" style="max-height:150px">
  <li class="px-3 py-2 border-bottom">Mia Alvarez</li>
  <li class="px-3 py-2 border-bottom">Hana Ortega</li>
  <li class="px-3 py-2 border-bottom">Diego Duarte</li>
  <li class="px-3 py-2 border-bottom">Arjun Nguyen</li>
  <li class="px-3 py-2 border-bottom">Ivy Ashford</li>
  <li class="px-3 py-2">Chloe Whitaker</li>
</ul>

4Hidden to clip rounded corners

overflow-hidden on a rounded card clips the image corners.

without

overflow-hidden

<div class="row g-3">
  <div class="col-6">
    <div class="border rounded-4">
      <img src="https://images.unsplash.com/photo-1631217868264-e5b90bb7e133?auto=format&fit=crop&w=1200&h=800&q=70" alt="Not clipped" class="w-100 d-block">
      <div class="p-2 small">
        without
      </div>
    </div>
  </div>
  <div class="col-6">
    <div class="border rounded-4 overflow-hidden">
      <img src="https://images.unsplash.com/photo-1758691461990-03b49d969495?auto=format&fit=crop&w=1200&h=800&q=70" alt="Clipped" class="w-100 d-block">
      <div class="p-2 small">
        overflow-hidden
      </div>
    </div>
  </div>
</div>

5Wide table

A wide table inside overflow-x-auto scrolls instead of breaking the page.

Order	Customer	City	Date	Status	Total
#INV-1373	Leo Moreau	Oslo	Dec 3, 2025	Draft	$351.33
#PO-4289	Ella Tanaka	Toronto	Jan 13, 2026	Draft	$419.37

<div class="overflow-x-auto border rounded-3">
  <table class="table table-sm mb-0 text-nowrap">
    <thead>
      <tr>
        <th scope="col">Order</th>
        <th scope="col">Customer</th>
        <th scope="col">City</th>
        <th scope="col">Date</th>
        <th scope="col">Status</th>
        <th scope="col">Total</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td>#INV-1373</td>
        <td>Leo Moreau</td>
        <td>Oslo</td>
        <td>Dec 3, 2025</td>
        <td>Draft</td>
        <td>$351.33</td>
      </tr>
      <tr>
        <td>#PO-4289</td>
        <td>Ella Tanaka</td>
        <td>Toronto</td>
        <td>Jan 13, 2026</td>
        <td>Draft</td>
        <td>$419.37</td>
      </tr>
    </tbody>
  </table>
</div>

6Code block that scrolls

Long lines in a pre with overflow-x-auto stay on one line.

npm run build -- --mode production --out-dir dist/brioo --base ./ --sourcemap false --emptyOutDir

<pre class="overflow-x-auto bg-body-tertiary border rounded-3 p-3 small mb-0"><code>npm run build -- --mode production --out-dir dist/brioo --base ./ --sourcemap false --emptyOutDir</code></pre>

7Chat window

A fixed height message area with overflow-y-auto above a fixed input.

Lab results arrive in your patient portal, usually within 48 hours.

Our clinic is fully accessible, with free parking right outside.

Thousands of patients already trust us, and we work hard to keep it that way.

We keep things simple, so you can focus on what matters to you.

<div class="border rounded-4 d-flex flex-column" style="height:220px;max-width:22rem">
  <div class="overflow-y-auto p-3 d-flex flex-column gap-2 flex-grow-1">
    <div class="align-self-start bg-body-tertiary rounded-3 px-2 py-1 small">
      Lab results arrive in your patient portal, usually within 48 hours.
    </div>
    <div class="align-self-end text-bg-primary rounded-3 px-2 py-1 small">
      Our clinic is fully accessible, with free parking right outside.
    </div>
    <div class="align-self-start bg-body-tertiary rounded-3 px-2 py-1 small">
      Thousands of patients already trust us, and we work hard to keep it that way.
    </div>
    <div class="align-self-end text-bg-primary rounded-3 px-2 py-1 small">
      We keep things simple, so you can focus on what matters to you.
    </div>
  </div>
  <div class="border-top p-2">
    <label class="visually-hidden" for="ut-msg-1253">Message</label>
    <input id="ut-msg-1253" type="text" class="form-control form-control-sm" placeholder="Type a message">
  </div>
</div>

8Scrollable tab strip

Pills in a flex-nowrap row with overflow-x-auto for many categories.

<nav class="d-flex flex-nowrap gap-2 overflow-x-auto pb-1" aria-label="Categories">
  <a href="#" class="btn btn-sm btn-primary rounded-pill text-nowrap">All</a> <a href="#" class="btn btn-sm btn-light border rounded-pill text-nowrap">Orthopedics</a> <a href="#" class="btn btn-sm btn-light border rounded-pill text-nowrap">guide</a> <a href="#" class="btn btn-sm btn-light border rounded-pill text-nowrap">Dermatology</a> <a href="#" class="btn btn-sm btn-light border rounded-pill text-nowrap">guide</a> <a href="#" class="btn btn-sm btn-light border rounded-pill text-nowrap">project</a> <a href="#" class="btn btn-sm btn-light border rounded-pill text-nowrap">clear</a> 
</nav>

9Terms box

A long text inside a bordered box with overflow-auto, like a licence agreement.

Terms of use

Book online in two minutes and see a doctor as soon as today. Our specialists take time to listen and explain every step of your treatment. Family plans cover check-ups and vaccinations for everyone under one roof. Start in minutes and get help from a real person whenever you need it.

Friendly people answer your questions quickly, by phone, chat or email. Lab results arrive in your patient portal, usually within 48 hours. Video consultations let you speak with a doctor from the comfort of home. We measure success by how many patients come back and tell their friends.

Every detail is handled by people who care about getting it right. Family plans cover check-ups and vaccinations for everyone under one roof. Children are welcome, and our paediatric team knows how to make them smile.

<div class="border rounded-3 p-3 overflow-auto small bg-body-tertiary" style="height:130px">
  <h3 class="h6">Terms of use</h3>
  <p>Book online in two minutes and see a doctor as soon as today. Our specialists take time to listen and explain every step of your treatment. Family plans cover check-ups and vaccinations for everyone under one roof. Start in minutes and get help from a real person whenever you need it.</p>
  <p>Friendly people answer your questions quickly, by phone, chat or email. Lab results arrive in your patient portal, usually within 48 hours. Video consultations let you speak with a doctor from the comfort of home. We measure success by how many patients come back and tell their friends.</p>
  <p class="mb-0">Every detail is handled by people who care about getting it right. Family plans cover check-ups and vaccinations for everyone under one roof. Children are welcome, and our paediatric team knows how to make them smile.</p>
</div>

10Visible overflow for a badge

overflow-visible lets a badge stick out of a box that would otherwise clip it.

overflow-hidden9

overflow-visible6

<div class="d-flex gap-4 pt-2">
  <div class="position-relative overflow-hidden border rounded-3 p-3 small">
    overflow-hidden<span class="position-absolute top-0 start-100 translate-middle badge rounded-pill text-bg-danger">9</span>
  </div>
  <div class="position-relative overflow-visible border rounded-3 p-3 small">
    overflow-visible<span class="position-absolute top-0 start-100 translate-middle badge rounded-pill text-bg-danger">6</span>
  </div>
</div>

11Hidden overflow for a cropped title

overflow-hidden with a fixed height clips long text to two lines worth of space.

Healthcare that fits your life - We keep things simple, so you can focus on what matters to you.

Sep 26, 2026

<div class="border rounded-3 p-3" style="max-width:20rem">
  <div class="overflow-hidden fw-semibold lh-sm" style="height:2.5em">
    Healthcare that fits your life - We keep things simple, so you can focus on what matters to you.
  </div>
  <div class="small text-body-secondary mt-1">
    Sep 26, 2026
  </div>
</div>

12Sidebar that scrolls separately

The nav column scrolls with overflow-y-auto while the content stays put.

We work with most insurance providers and explain any costs upfront. Modern equipment means faster diagnoses and more comfortable treatment.

<div class="d-flex border rounded-3" style="height:180px">
  <nav class="overflow-y-auto border-end p-2 small flex-shrink-0" style="width:130px" aria-label="Chapters">
    <a href="#" class="d-block py-1">Intro</a><a href="#" class="d-block py-1">Setup</a><a href="#" class="d-block py-1">Layout</a> <a href="#" class="d-block py-1">Colours</a><a href="#" class="d-block py-1">Forms</a><a href="#" class="d-block py-1">Tables</a> <a href="#" class="d-block py-1">Charts</a><a href="#" class="d-block py-1">Deploy</a> 
  </nav>
  <div class="p-3 small">
    We work with most insurance providers and explain any costs upfront. Modern equipment means faster diagnoses and more comfortable treatment.
  </div>
</div>

13Image pan area

A large image in an overflow-auto box can be scrolled in both directions.

<div class="overflow-auto border rounded-3" style="height:160px;max-width:26rem">
  <img src="https://images.unsplash.com/photo-1758691462878-6edc3d3da1be?auto=format&fit=crop&w=1600&h=700&q=70" alt="Inside our new heart screening clinic" width="900" height="394" class="d-block"> 
</div>

14Kanban columns

Columns side by side in overflow-x-auto, each column scrolls with overflow-y-auto.

To do

Health check-ups

Physiotherapy

Telehealth

Doing

Telehealth

Done

General practice

<div class="d-flex gap-2 overflow-x-auto pb-1">
  <div class="bg-body-tertiary rounded-3 p-2 flex-shrink-0 overflow-y-auto" style="width:170px;max-height:180px">
    <div class="small fw-semibold mb-2">
      To do
    </div>
    <div class="bg-body border rounded-2 p-2 small mb-2">
      Health check-ups
    </div>
    <div class="bg-body border rounded-2 p-2 small mb-2">
      Physiotherapy
    </div>
    <div class="bg-body border rounded-2 p-2 small">
      Telehealth
    </div>
  </div>
  <div class="bg-body-tertiary rounded-3 p-2 flex-shrink-0 overflow-y-auto" style="width:170px;max-height:180px">
    <div class="small fw-semibold mb-2">
      Doing
    </div>
    <div class="bg-body border rounded-2 p-2 small">
      Telehealth
    </div>
  </div>
  <div class="bg-body-tertiary rounded-3 p-2 flex-shrink-0 overflow-y-auto" style="width:170px;max-height:180px">
    <div class="small fw-semibold mb-2">
      Done
    </div>
    <div class="bg-body border rounded-2 p-2 small">
      General practice
    </div>
  </div>
</div>

15Overflow-x hidden

overflow-x-hidden hides content that slides in from the side, like an off-screen panel.

Clear prices, honest advice and no surprises along the way.

Panel partly off the edge

<div class="position-relative overflow-x-hidden border rounded-3 p-3" style="height:110px">
  <div class="small">
    Clear prices, honest advice and no surprises along the way.
  </div>
  <div class="position-absolute top-0 bg-primary-subtle h-100 p-2 small" style="left:90%;width:200px">
    Panel partly off the edge
  </div>
</div>

16Overflow-y scroll always

overflow-y-scroll always shows the vertical scrollbar, so the width never jumps.

Our team has done this many times, so you never have to guess.

<div class="overflow-y-scroll border rounded-3 p-2 small" style="height:90px">
  Our team has done this many times, so you never have to guess.
</div>

17Notification panel

A dropdown-like panel with header, scrolling body and footer.

Notifications

Book online in two minutes and see a doctor as soon as today.

Our specialists take time to listen and explain every step of your treatment.

Your records are private, secure and always available when you need them.

Start in minutes and get help from a real person whenever you need it.

View all

<div class="border rounded-3 shadow-sm d-flex flex-column" style="max-width:20rem;height:220px">
  <div class="px-3 py-2 border-bottom fw-semibold small">
    Notifications
  </div>
  <div class="overflow-y-auto flex-grow-1">
    <div class="px-3 py-2 border-bottom small">
      Book online in two minutes and see a doctor as soon as today.
    </div>
    <div class="px-3 py-2 border-bottom small">
      Our specialists take time to listen and explain every step of your treatment.
    </div>
    <div class="px-3 py-2 border-bottom small">
      Your records are private, secure and always available when you need them.
    </div>
    <div class="px-3 py-2 small">
      Start in minutes and get help from a real person whenever you need it.
    </div>
  </div>
  <a href="#" class="px-3 py-2 border-top small text-center">View all</a> 
</div>

18Clip a decorative shape

A big circle partly outside its panel is cut off by overflow-hidden.

Personal care from people who listen

Thousands of patients already trust us, and we work hard to keep it that way.

<div class="position-relative overflow-hidden text-bg-primary rounded-4 p-4">
  <div class="position-absolute bg-white bg-opacity-25 rounded-circle" style="width:180px;height:180px;right:-60px;top:-60px">
  </div>
  <h3 class="h5 position-relative">Personal care from people who listen</h3>
  <p class="small mb-0 position-relative">Thousands of patients already trust us, and we work hard to keep it that way.</p>
</div>

19Long word handling

overflow-hidden plus text-truncate versus text-break for an unbreakable string.

downloads/brioo/assets/very-long-file-name-without-any-spaces-at-all.zip

<div class="row g-2 small">
  <div class="col-sm-6">
    <div class="border rounded-3 p-2 text-truncate">
      downloads/brioo/assets/very-long-file-name-without-any-spaces-at-all.zip
    </div>
  </div>
  <div class="col-sm-6">
    <div class="border rounded-3 p-2 text-break">
      downloads/brioo/assets/very-long-file-name-without-any-spaces-at-all.zip
    </div>
  </div>
</div>

20Responsive table wrapper

table-responsive is the helper made of overflow-x-auto for tables.

Plan	Users	Storage	Support	API	Price
Pro	50	56 GB	Email and chat	Unlimited	$30.77

<div class="table-responsive border rounded-3">
  <table class="table table-sm mb-0 text-nowrap">
    <thead>
      <tr>
        <th scope="col">Plan</th>
        <th scope="col">Users</th>
        <th scope="col">Storage</th>
        <th scope="col">Support</th>
        <th scope="col">API</th>
        <th scope="col">Price</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td>Pro</td>
        <td>50</td>
        <td>56 GB</td>
        <td>Email and chat</td>
        <td>Unlimited</td>
        <td>$30.77</td>
      </tr>
    </tbody>
  </table>
</div>