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 bg-body-tertiary">
<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-3" 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.
<div class="hstack gap-3 p-3 border rounded">
<img src="../assets/img/avatar-11.svg" alt="Jonah Duarte" width="48" height="48" class="rounded-circle">
<div class="vstack gap-0">
<strong>Jonah Duarte</strong> <small class="text-body-secondary">Frontend Engineer · Vancouver</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.
<div class="vstack gap-2">
<div class="hstack gap-3 align-items-start p-2 border rounded">
<span class="text-success fs-5"><i class="bi bi-bag-check" aria-hidden="true"></i></span>
<div class="small">
We measure success by how many members come back and tell their friends.
</div>
<small class="ms-auto text-nowrap text-body-secondary">yesterday</small>
</div>
<div class="hstack gap-3 align-items-start p-2 border rounded">
<span class="text-primary fs-5"><i class="bi bi-chat-left-text" aria-hidden="true"></i></span>
<div class="small">
Payroll runs on time, with tax and pension payments handled for you.
</div>
<small class="ms-auto text-nowrap text-body-secondary">55 min ago</small>
</div>
<div class="hstack gap-3 align-items-start p-2 border rounded">
<span class="text-warning fs-5"><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 text-nowrap text-body-secondary">just now</small>
</div>
</div>5Centred button stack
vstack with col-md-5 mx-auto centres full-width buttons, as on a mobile landing screen.
<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-body-secondary">Free for 30 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.
Spending limits
Every payment appears instantly, with receipts matched automatically.
Accounting sync
Issue virtual and physical cards to your team with limits you control.
Bank-grade encryption
Send and receive money in more than 30 currencies at fair exchange rates.
<div class="vstack gap-3">
<div class="card">
<div class="card-body hstack gap-3">
<span class="fs-3 text-primary"><i class="bi bi-lightning" aria-hidden="true"></i></span>
<div>
<h3 class="h6 mb-1">Spending limits</h3>
<p class="small mb-0">Every payment appears instantly, with receipts matched automatically.</p>
</div>
</div>
</div>
<div class="card">
<div class="card-body hstack gap-3">
<span class="fs-3 text-primary"><i class="bi bi-shield-check" aria-hidden="true"></i></span>
<div>
<h3 class="h6 mb-1">Accounting sync</h3>
<p class="small mb-0">Issue virtual and physical cards to your team with limits you control.</p>
</div>
</div>
</div>
<div class="card">
<div class="card-body hstack gap-3">
<span class="fs-3 text-primary"><i class="bi bi-people" aria-hidden="true"></i></span>
<div>
<h3 class="h6 mb-1">Bank-grade encryption</h3>
<p class="small mb-0">Send and receive money in more than 30 currencies at fair exchange rates.</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="visually-hidden" 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
$46.53 / month
<div class="card" style="max-width:22rem">
<div class="card-body vstack gap-2">
<h3 class="h5 mb-0">Business</h3>
<p class="fs-3 fw-bold mb-1">$46.53<small class="fs-6 fw-normal text-body-secondary"> / month</small></p>
<div class="hstack gap-2">
<span class="text-success"><i class="bi bi-check-circle-fill" aria-hidden="true"></i></span>24/7 support
</div>
<div class="hstack gap-2">
<span class="text-success"><i class="bi bi-check-circle-fill" aria-hidden="true"></i></span>Bank-grade encryption
</div>
<div class="hstack gap-2">
<span class="text-success"><i class="bi bi-check-circle-fill" aria-hidden="true"></i></span>Spending limits
</div>
<div class="hstack gap-2">
<span class="text-success"><i class="bi bi-check-circle-fill" aria-hidden="true"></i></span>No hidden fees
</div>
<div class="hstack gap-2">
<span class="text-success"><i class="bi bi-check-circle-fill" aria-hidden="true"></i></span>Instant notifications
</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-3 small border-top pt-3">
<span class="fw-semibold">Cora Labs</span> <a href="#">About</a><a href="#">Careers</a><a href="#">Press</a><a href="#">Help centre</a> <span class="ms-auto text-body-secondary">© 2026</span>
</footer>10Chat bubbles
A vstack where align-self-start and align-self-end place incoming and outgoing messages.
<div class="vstack gap-2">
<div class="px-3 py-2 rounded-3 small bg-body-tertiary align-self-start" style="max-width:80%">
Invoices go out with a payment link, so customers can pay you in one click.
</div>
<div class="px-3 py-2 rounded-3 small text-bg-primary align-self-end" style="max-width:80%">
We keep things simple, so you can focus on what matters to you.
</div>
<div class="px-3 py-2 rounded-3 small bg-body-tertiary align-self-start" style="max-width:80%">
Cash flow forecasts show where you will be next month, not just today.
</div>
<div class="px-3 py-2 rounded-3 small text-bg-primary align-self-end" style="max-width:80%">
Accounting sync keeps your books up to date without manual exports.
</div>
</div>11Wrapping tag row
hstack plus flex-wrap and gap-1 keeps tags tidy when they run onto a second line.
<div class="hstack flex-wrap gap-1">
<span class="badge rounded-pill text-bg-light border">Invoices</span><span class="badge rounded-pill text-bg-light border">Payments</span><span class="badge rounded-pill text-bg-light border">Cards</span><span class="badge rounded-pill text-bg-light border">Payroll</span><span class="badge rounded-pill text-bg-light border">Savings</span>
</div>12Settings rows
Each setting is an hstack with the label on the left and a switch pushed right with ms-auto.
<div class="vstack border rounded">
<div class="hstack gap-3 p-3 border-bottom">
<span class="fs-5 text-primary"><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-3 p-3">
<span class="fs-5 text-primary"><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.
<div class="hstack gap-3 gap-md-4 p-3 border rounded justify-content-center text-center">
<div>
<div class="fs-4 fw-bold">
1.7k
</div>
<small class="text-body-secondary">Clients</small>
</div>
<div class="vr">
</div>
<div>
<div class="fs-4 fw-bold">
141
</div>
<small class="text-body-secondary">Projects</small>
</div>
<div class="vr">
</div>
<div>
<div class="fs-4 fw-bold">
4.6
</div>
<small class="text-body-secondary">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
Your money is protected by bank-grade security and regulated partners.
<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">Your money is protected by bank-grade security and regulated partners.</p>
</div>
<div class="card-footer hstack gap-2 small text-body-secondary">
<img src="../assets/img/avatar-3.svg" alt="" width="24" height="24" class="rounded-circle"> <span>Owen Delgado</span><span>·</span><span>Apr 17, 2026</span> <span class="ms-auto"><i class="bi bi-heart" aria-hidden="true"></i> 219</span>
</div>
</div>15Order timeline
A vstack of steps, each an hstack of status badge and text.
<div class="vstack gap-3">
<div class="hstack gap-3">
<span class="badge rounded-pill 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-body-secondary">Feb 11, 2026</small>
</div>
</div>
<div class="hstack gap-3">
<span class="badge rounded-pill 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-body-secondary">Nov 6, 2025</small>
</div>
</div>
<div class="hstack gap-3">
<span class="badge rounded-pill 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-body-secondary">Feb 18, 2026</small>
</div>
</div>
<div class="hstack gap-3">
<span class="badge rounded-pill text-bg-secondary"><i class="bi bi-clock" aria-hidden="true"></i></span>
<div class="vstack">
<strong class="small">Delivered</strong><small class="text-body-secondary">Expected Nov 24, 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 flex-sm-nowrap" role="search">
<label class="visually-hidden" for="hp-search-1241">Search</label>
<input class="form-control" id="hp-search-1241" type="search" placeholder="Search invoices">
<label class="visually-hidden" 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.
<div class="vstack gap-2">
<div class="hstack gap-3 p-2 border rounded">
<span class="fs-4 text-danger"><i class="bi bi-filetype-pdf" aria-hidden="true"></i></span>
<div class="vstack">
<span class="small fw-semibold">report-2025.pdf</span><small class="text-body-secondary">553 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-3 p-2 border rounded">
<span class="fs-4 text-primary"><i class="bi bi-filetype-docx" aria-hidden="true"></i></span>
<div class="vstack">
<span class="small fw-semibold">proposal-2026.docx</span><small class="text-body-secondary">548 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-3 p-2 border rounded">
<span class="fs-4 text-success"><i class="bi bi-filetype-xlsx" aria-hidden="true"></i></span>
<div class="vstack">
<span class="small fw-semibold">budget-2025.xlsx</span><small class="text-body-secondary">226 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.
Friendly people answer your questions quickly, by phone, chat or email.
<section class="vstack gap-3 p-3 border rounded">
<div class="hstack gap-2">
<h3 class="h5 mb-0">Expense tracking</h3>
<span class="badge text-bg-primary">16</span> <a class="ms-auto small" href="#">View all</a>
</div>
<p class="mb-0 small">Friendly people answer your questions quickly, by phone, chat or email.</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.
<div class="vstack gap-3">
<div>
<small class="text-body-secondary">gap-0</small>
<div class="hstack gap-0">
<div class="p-2 bg-primary-subtle border border-primary-subtle rounded small">
Item
</div>
<div class="p-2 bg-primary-subtle border border-primary-subtle rounded small">
Item
</div>
<div class="p-2 bg-primary-subtle border border-primary-subtle rounded small">
Item
</div>
<div class="p-2 bg-primary-subtle border border-primary-subtle rounded small">
Item
</div>
</div>
</div>
<div>
<small class="text-body-secondary">gap-2</small>
<div class="hstack gap-2">
<div class="p-2 bg-primary-subtle border border-primary-subtle rounded small">
Item
</div>
<div class="p-2 bg-primary-subtle border border-primary-subtle rounded small">
Item
</div>
<div class="p-2 bg-primary-subtle border border-primary-subtle rounded small">
Item
</div>
<div class="p-2 bg-primary-subtle border border-primary-subtle rounded small">
Item
</div>
</div>
</div>
<div>
<small class="text-body-secondary">gap-4</small>
<div class="hstack gap-4">
<div class="p-2 bg-primary-subtle border border-primary-subtle rounded small">
Item
</div>
<div class="p-2 bg-primary-subtle border border-primary-subtle rounded small">
Item
</div>
<div class="p-2 bg-primary-subtle border border-primary-subtle rounded small">
Item
</div>
<div class="p-2 bg-primary-subtle border border-primary-subtle rounded 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.
<div class="vstack flex-md-row gap-3">
<div class="p-3 border rounded flex-fill">
<strong class="d-block"><i class="bi bi-pencil" aria-hidden="true"></i> Plan</strong><small>Start in minutes and get help from a real person whenever you need it.</small>
</div>
<div class="p-3 border rounded flex-fill">
<strong class="d-block"><i class="bi bi-hammer" aria-hidden="true"></i> Build</strong><small>Every detail is handled by people who care about getting it right.</small>
</div>
<div class="p-3 border rounded flex-fill">
<strong class="d-block"><i class="bi bi-rocket-takeoff" aria-hidden="true"></i> Launch</strong><small>Real people answer your questions around the clock, every day of the year.</small>
</div>
</div>