Stacks

Stacks are flexbox shortcuts: vstack lines items up vertically, hstack horizontally, and the gap utilities space them evenly. Push an item to the far side with ms-auto and separate groups with a vertical rule.

1Horizontal toolbar

hstack with gap-2 lines up buttons; ms-auto pushes the last group to the far end.

<div class="hstack gap-2 p-2 border rounded-md bg-surface-3">
  <button type="button" class="btn btn-sm btn-primary"><i class="bi bi-plus-lg" aria-hidden="true"></i> New</button>
  <button type="button" class="btn btn-sm btn-outline-secondary"><i class="bi bi-upload" aria-hidden="true"></i> Import</button>
  <div class="vr">
  </div>
  <button type="button" class="btn btn-sm btn-light" aria-label="Filter"><i class="bi bi-funnel" aria-hidden="true"></i></button>
  <button type="button" class="btn btn-sm btn-light ms-auto" aria-label="Settings"><i class="bi bi-gear" aria-hidden="true"></i></button>
</div>

2Vertical sign-in form

vstack with gap-3 spaces the fields of a compact form without margin utilities.

<form class="vstack gap-4" style="max-width:22rem">
  <div>
    <label class="form-label" for="hp-email-1236">Email</label>
    <input class="form-control" id="hp-email-1236" type="email" autocomplete="email">
  </div>
  <div>
    <label class="form-label" for="hp-pass-1237">Password</label>
    <input class="form-control" id="hp-pass-1237" type="password" autocomplete="current-password">
  </div>
  <button type="submit" class="btn btn-primary">Sign in</button>
  <a class="small text-center" href="#">Forgot your password?</a> 
</form>

3Profile row

An avatar, a name and role block and a follow button in one hstack.

Freya Morgan Backend Engineer · Singapore

<div class="hstack gap-4 p-4 border rounded-md">
  <img src="../assets/img/avatar-1.svg" alt="Freya Morgan" width="48" height="48" class="rounded-full"> 
  <div class="vstack gap-0">
    <strong>Freya Morgan</strong> <small class="text-muted">Backend Engineer &middot; Singapore</small> 
  </div>
  <button type="button" class="btn btn-sm btn-outline-primary ms-auto">Follow</button>
</div>

4Notification list

A vstack of notification items, each an hstack of icon, message and time.

We measure success by how many attendees come back and tell their friends.

just now

We listen first, then build a plan around what you actually need.

20 hours ago

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

yesterday

<div class="vstack gap-2">
  <div class="hstack gap-4 items-start p-2 border rounded-md">
    <span class="text-success-emphasis text-lg"><i class="bi bi-bag-check" aria-hidden="true"></i></span>
    <div class="small">
      We measure success by how many attendees come back and tell their friends.
    </div>
    <small class="ms-auto whitespace-nowrap text-muted">just now</small>
  </div>
  <div class="hstack gap-4 items-start p-2 border rounded-md">
    <span class="text-primary-ink text-lg"><i class="bi bi-chat-left-text" aria-hidden="true"></i></span>
    <div class="small">
      We listen first, then build a plan around what you actually need.
    </div>
    <small class="ms-auto whitespace-nowrap text-muted">20 hours ago</small>
  </div>
  <div class="hstack gap-4 items-start p-2 border rounded-md">
    <span class="text-warning-emphasis text-lg"><i class="bi bi-exclamation-triangle" aria-hidden="true"></i></span>
    <div class="small">
      Our team has done this many times, so you never have to guess.
    </div>
    <small class="ms-auto whitespace-nowrap text-muted">yesterday</small>
  </div>
</div>

5Centred button stack

vstack with col-md-5 mx-auto centres full-width buttons, as on a mobile landing screen.

Free for 14 days, no card needed

<div class="vstack gap-2 col-md-5 mx-auto">
  <button type="button" class="btn btn-primary">Create an account</button>
  <button type="button" class="btn btn-outline-secondary">I already have one</button>
  <small class="text-center text-muted">Free for 14 days, no card needed</small> 
</div>

6Stacked feature cards

Cards stacked with vstack gap-3; inside each card an hstack pairs the icon with its text.

Recorded sessions

More than eighty speakers share what they have learned the hard way.

World-class speakers

We listen first, then build a plan around what you actually need.

World-class speakers

Every detail is handled by people who care about getting it right.

<div class="vstack gap-4">
  <div class="card">
    <div class="card-body hstack gap-4">
      <span class="text-2xl text-primary-ink"><i class="bi bi-shield-check" aria-hidden="true"></i></span>
      <div>
        <h3 class="h6 mb-1">Recorded sessions</h3>
        <p class="small mb-0">More than eighty speakers share what they have learned the hard way.</p>
      </div>
    </div>
  </div>
  <div class="card">
    <div class="card-body hstack gap-4">
      <span class="text-2xl text-primary-ink"><i class="bi bi-lightning" aria-hidden="true"></i></span>
      <div>
        <h3 class="h6 mb-1">World-class speakers</h3>
        <p class="small mb-0">We listen first, then build a plan around what you actually need.</p>
      </div>
    </div>
  </div>
  <div class="card">
    <div class="card-body hstack gap-4">
      <span class="text-2xl text-primary-ink"><i class="bi bi-shield-check" aria-hidden="true"></i></span>
      <div>
        <h3 class="h6 mb-1">World-class speakers</h3>
        <p class="small mb-0">Every detail is handled by people who care about getting it right.</p>
      </div>
    </div>
  </div>
</div>

7Inline subscribe form

An hstack holding an input, a button and a divider link, a common newsletter pattern.

<form class="hstack gap-2">
  <label class="sr-only" for="hp-q-1238">Email address</label>
  <input class="form-control me-auto" id="hp-q-1238" type="email" placeholder="you@example.com"> 
  <button type="submit" class="btn btn-secondary">Subscribe</button>
  <div class="vr">
  </div>
  <button type="reset" class="btn btn-outline-danger">Reset</button>
</form>

8Pricing feature list

A vstack of check-mark rows inside a pricing card.

Business

$91.00 / month

World-class speakers

Mobile agenda

Recorded sessions

Certificates

Networking lounges

<div class="card" style="max-width:22rem">
  <div class="card-body vstack gap-2">
    <h3 class="h5 mb-0">Business</h3>
    <p class="text-2xl font-bold mb-1">$91.00<small class="text-base font-normal text-muted"> / month</small></p>
    <div class="hstack gap-2">
      <span class="text-success-emphasis"><i class="bi bi-check-circle-fill" aria-hidden="true"></i></span>World-class speakers
    </div>
    <div class="hstack gap-2">
      <span class="text-success-emphasis"><i class="bi bi-check-circle-fill" aria-hidden="true"></i></span>Mobile agenda
    </div>
    <div class="hstack gap-2">
      <span class="text-success-emphasis"><i class="bi bi-check-circle-fill" aria-hidden="true"></i></span>Recorded sessions
    </div>
    <div class="hstack gap-2">
      <span class="text-success-emphasis"><i class="bi bi-check-circle-fill" aria-hidden="true"></i></span>Certificates
    </div>
    <div class="hstack gap-2">
      <span class="text-success-emphasis"><i class="bi bi-check-circle-fill" aria-hidden="true"></i></span>Networking lounges
    </div>
    <button type="button" class="btn btn-primary mt-2">Choose plan</button>
  </div>
</div>

9Footer link row

hstack with flex-wrap and gap-3 for a row of footer links that wraps on narrow screens.

<footer class="hstack flex-wrap gap-4 small border-t pt-4">
  <span class="font-semibold">Zeni Studio</span> <a href="#">About</a><a href="#">Careers</a><a href="#">Press</a><a href="#">Help centre</a> <span class="ms-auto text-muted">&copy; 2026</span> 
</footer>

10Chat bubbles

A vstack where align-self-start and align-self-end place incoming and outgoing messages.

Group tickets include a private meeting room for your team.

The networking app helps you meet the right people before you arrive.

Our evening party is the best place to turn talks into friendships.

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

<div class="vstack gap-2">
  <div class="px-4 py-2 rounded-lg small bg-surface-3 self-start" style="max-width:80%">
    Group tickets include a private meeting room for your team.
  </div>
  <div class="px-4 py-2 rounded-lg small text-bg-primary self-end" style="max-width:80%">
    The networking app helps you meet the right people before you arrive.
  </div>
  <div class="px-4 py-2 rounded-lg small bg-surface-3 self-start" style="max-width:80%">
    Our evening party is the best place to turn talks into friendships.
  </div>
  <div class="px-4 py-2 rounded-lg small text-bg-primary self-end" style="max-width:80%">
    Our team has done this many times, so you never have to guess.
  </div>
</div>

11Wrapping tag row

hstack plus flex-wrap and gap-1 keeps tags tidy when they run onto a second line.

WebinarMeetupWorkshopKeynotePanel

<div class="hstack flex-wrap gap-1">
  <span class="badge rounded-full text-bg-light border">Webinar</span><span class="badge rounded-full text-bg-light border">Meetup</span><span class="badge rounded-full text-bg-light border">Workshop</span><span class="badge rounded-full text-bg-light border">Keynote</span><span class="badge rounded-full text-bg-light border">Panel</span>
</div>

12Settings rows

Each setting is an hstack with the label on the left and a switch pushed right with ms-auto.

Email notifications

Dark mode

<div class="vstack border rounded-md">
  <div class="hstack gap-4 p-4 border-b">
    <span class="text-lg text-primary-ink"><i class="bi bi-envelope" aria-hidden="true"></i></span> 
    <label class="form-check-label" for="hp-switch-1239">Email notifications</label>
    <div class="form-check form-switch ms-auto mb-0">
      <input class="form-check-input" type="checkbox" role="switch" id="hp-switch-1239" checked>
    </div>
  </div>
  <div class="hstack gap-4 p-4">
    <span class="text-lg text-primary-ink"><i class="bi bi-moon-stars" aria-hidden="true"></i></span> 
    <label class="form-check-label" for="hp-switch-1240">Dark mode</label>
    <div class="form-check form-switch ms-auto mb-0">
      <input class="form-check-input" type="checkbox" role="switch" id="hp-switch-1240">
    </div>
  </div>
</div>

13Stats with dividers

An hstack of figures separated by vertical rules.

7.9k

Clients

Projects

4.9

Rating

<div class="hstack gap-4 md:gap-6 p-4 border rounded-md justify-center text-center">
  <div>
    <div class="text-xl font-bold">
      7.9k
    </div>
    <small class="text-muted">Clients</small>
  </div>
  <div class="vr">
  </div>
  <div>
    <div class="text-xl font-bold">
      52
    </div>
    <small class="text-muted">Projects</small>
  </div>
  <div class="vr">
  </div>
  <div>
    <div class="text-xl font-bold">
      4.9
    </div>
    <small class="text-muted">Rating</small>
  </div>
</div>

14Card meta line

An hstack in a card footer for author, date and a like counter.

Five things we learned this year

Early bird tickets save you up to forty percent until the end of the month.

Mia Nguyen·Dec 23, 2025 132

<div class="card" style="max-width:24rem">
  <div class="card-body">
    <h3 class="h6">Five things we learned this year</h3>
    <p class="small mb-0">Early bird tickets save you up to forty percent until the end of the month.</p>
  </div>
  <div class="card-footer hstack gap-2 small text-muted">
    <img src="../assets/img/avatar-9.svg" alt="" width="24" height="24" class="rounded-full"> <span>Mia Nguyen</span><span>&middot;</span><span>Dec 23, 2025</span> <span class="ms-auto"><i class="bi bi-heart" aria-hidden="true"></i> 132</span> 
  </div>
</div>

15Order timeline

A vstack of steps, each an hstack of status badge and text.

Order placedMar 18, 2026

PackedJul 14, 2026

ShippedMar 24, 2026

DeliveredExpected Oct 30, 2026

<div class="vstack gap-4">
  <div class="hstack gap-4">
    <span class="badge rounded-full text-bg-success"><i class="bi bi-check-lg" aria-hidden="true"></i></span>
    <div class="vstack">
      <strong class="small">Order placed</strong><small class="text-muted">Mar 18, 2026</small>
    </div>
  </div>
  <div class="hstack gap-4">
    <span class="badge rounded-full text-bg-success"><i class="bi bi-check-lg" aria-hidden="true"></i></span>
    <div class="vstack">
      <strong class="small">Packed</strong><small class="text-muted">Jul 14, 2026</small>
    </div>
  </div>
  <div class="hstack gap-4">
    <span class="badge rounded-full text-bg-success"><i class="bi bi-check-lg" aria-hidden="true"></i></span>
    <div class="vstack">
      <strong class="small">Shipped</strong><small class="text-muted">Mar 24, 2026</small>
    </div>
  </div>
  <div class="hstack gap-4">
    <span class="badge rounded-full text-bg-secondary"><i class="bi bi-clock" aria-hidden="true"></i></span>
    <div class="vstack">
      <strong class="small">Delivered</strong><small class="text-muted">Expected Oct 30, 2026</small>
    </div>
  </div>
</div>

16Search bar

An hstack combining a search field, a filter select and a button.

<form class="hstack gap-2 flex-wrap sm:flex-nowrap" role="search">
  <label class="sr-only" for="hp-search-1241">Search</label>
  <input class="form-control" id="hp-search-1241" type="search" placeholder="Search keynote"> 
  <label class="sr-only" for="hp-search-1241-type">Type</label>
  <select class="form-select w-auto" id="hp-search-1241-type">
    <option>All</option>
    <option>Recent</option>
  </select>
  <button type="submit" class="btn btn-primary" aria-label="Search"><i class="bi bi-search" aria-hidden="true"></i></button>
</form>

17File rows

Attachment rows with icon, name and size, and a download button aligned right.

report-2025.pdf544 KB

proposal-2025.docx648 KB

budget-2026.xlsx790 KB

<div class="vstack gap-2">
  <div class="hstack gap-4 p-2 border rounded-md">
    <span class="text-xl text-danger-emphasis"><i class="bi bi-filetype-pdf" aria-hidden="true"></i></span>
    <div class="vstack">
      <span class="small font-semibold">report-2025.pdf</span><small class="text-muted">544 KB</small>
    </div>
    <button type="button" class="btn btn-sm btn-light ms-auto" aria-label="Download report"><i class="bi bi-download" aria-hidden="true"></i></button>
  </div>
  <div class="hstack gap-4 p-2 border rounded-md">
    <span class="text-xl text-primary-ink"><i class="bi bi-filetype-docx" aria-hidden="true"></i></span>
    <div class="vstack">
      <span class="small font-semibold">proposal-2025.docx</span><small class="text-muted">648 KB</small>
    </div>
    <button type="button" class="btn btn-sm btn-light ms-auto" aria-label="Download proposal"><i class="bi bi-download" aria-hidden="true"></i></button>
  </div>
  <div class="hstack gap-4 p-2 border rounded-md">
    <span class="text-xl text-success-emphasis"><i class="bi bi-filetype-xlsx" aria-hidden="true"></i></span>
    <div class="vstack">
      <span class="small font-semibold">budget-2026.xlsx</span><small class="text-muted">790 KB</small>
    </div>
    <button type="button" class="btn btn-sm btn-light ms-auto" aria-label="Download budget"><i class="bi bi-download" aria-hidden="true"></i></button>
  </div>
</div>

18Nested stacks

A vstack page section whose header is an hstack: stacks nest freely.

Ticketing

24 View all

We measure success by how many attendees come back and tell their friends.

<section class="vstack gap-4 p-4 border rounded-md">
  <div class="hstack gap-2">
    <h3 class="h5 mb-0">Ticketing</h3>
    <span class="badge text-bg-primary">24</span> <a class="ms-auto small" href="#">View all</a> 
  </div>
  <p class="mb-0 small">We measure success by how many attendees come back and tell their friends.</p>
  <div class="hstack gap-2">
    <button type="button" class="btn btn-sm btn-primary">Open</button>
    <button type="button" class="btn btn-sm btn-light">Share</button>
  </div>
</section>

19Gap sizes compared

The same hstack with gap-0, gap-2 and gap-4 to compare spacing.

gap-0

Item

gap-2

Item

gap-4

Item

<div class="vstack gap-4">
  <div>
    <small class="text-muted">gap-0</small>
    <div class="hstack gap-0">
      <div class="p-2 bg-primary-subtle border border-primary/30 rounded-md small">
        Item
      </div>
      <div class="p-2 bg-primary-subtle border border-primary/30 rounded-md small">
        Item
      </div>
      <div class="p-2 bg-primary-subtle border border-primary/30 rounded-md small">
        Item
      </div>
      <div class="p-2 bg-primary-subtle border border-primary/30 rounded-md small">
        Item
      </div>
    </div>
  </div>
  <div>
    <small class="text-muted">gap-2</small>
    <div class="hstack gap-2">
      <div class="p-2 bg-primary-subtle border border-primary/30 rounded-md small">
        Item
      </div>
      <div class="p-2 bg-primary-subtle border border-primary/30 rounded-md small">
        Item
      </div>
      <div class="p-2 bg-primary-subtle border border-primary/30 rounded-md small">
        Item
      </div>
      <div class="p-2 bg-primary-subtle border border-primary/30 rounded-md small">
        Item
      </div>
    </div>
  </div>
  <div>
    <small class="text-muted">gap-4</small>
    <div class="hstack gap-6">
      <div class="p-2 bg-primary-subtle border border-primary/30 rounded-md small">
        Item
      </div>
      <div class="p-2 bg-primary-subtle border border-primary/30 rounded-md small">
        Item
      </div>
      <div class="p-2 bg-primary-subtle border border-primary/30 rounded-md small">
        Item
      </div>
      <div class="p-2 bg-primary-subtle border border-primary/30 rounded-md small">
        Item
      </div>
    </div>
  </div>
</div>

20Responsive stack direction

Stacks are vertical on phones and switch to a row from md with flex-md-row.

PlanFriendly people answer your questions quickly, by phone, chat or email.

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

LaunchThree days of keynotes, hands-on workshops and evening meetups.

<div class="vstack md:flex-row gap-4">
  <div class="p-4 border rounded-md flex-auto">
    <strong class="block"><i class="bi bi-pencil" aria-hidden="true"></i> Plan</strong><small>Friendly people answer your questions quickly, by phone, chat or email.</small>
  </div>
  <div class="p-4 border rounded-md flex-auto">
    <strong class="block"><i class="bi bi-hammer" aria-hidden="true"></i> Build</strong><small>Start in minutes and get help from a real person whenever you need it.</small>
  </div>
  <div class="p-4 border rounded-md flex-auto">
    <strong class="block"><i class="bi bi-rocket-takeoff" aria-hidden="true"></i> Launch</strong><small>Three days of keynotes, hands-on workshops and evening meetups.</small>
  </div>
</div>