A practical guide to async work
Apr 14, 2026 in Support
Colored link helpers tint a link with a theme colour, including hover and focus states, while the link opacity, offset and underline helpers fine-tune how the text and its underline look. Combine them for footers, inline copy, navigation and table actions.
link-* classes for every theme colour, plus link-body-emphasis for high contrast text.
<div class="flex flex-wrap gap-4">
<a href="#" class="link-primary">Primary link</a><a href="#" class="link-secondary">Secondary link</a><a href="#" class="link-success">Success link</a><a href="#" class="link-danger">Danger link</a><a href="#" class="link-warning">Warning link</a><a href="#" class="link-info">Info link</a><a href="#" class="link-light bg-dark px-1 rounded-md">Light link</a><a href="#" class="link-dark">Dark link</a><a href="#" class="link-body-emphasis">Body emphasis link</a>
</div>Links inside a paragraph in the primary colour with an offset, softened underline.
Every update lands in one place, so nothing gets lost in email threads. Read the setup guide or browse the support section.
<p class="mb-0">Every update lands in one place, so nothing gets lost in email threads. Read the <a href="#" class="link-primary link-offset-2 link-underline-opacity-25 link-underline-opacity-100-hover">setup guide</a> or browse the <a href="#" class="link-primary link-offset-2 link-underline-opacity-25 link-underline-opacity-100-hover">support</a> section.</p>Muted footer links with link-secondary that turn darker with link-body-emphasis on the heading.
<div class="row g-3 small">
<div class="col-6 col-md-3">
<a href="#" class="link-body-emphasis font-semibold no-underline block mb-2">Product</a> <a href="#" class="link-secondary block">Features</a><a href="#" class="link-secondary block">Pricing</a>
</div>
<div class="col-6 col-md-3">
<a href="#" class="link-body-emphasis font-semibold no-underline block mb-2">Company</a> <a href="#" class="link-secondary block">About</a><a href="#" class="link-secondary block">Jobs</a>
</div>
</div>link-body-emphasis for menu items and link-primary for the current page.
<nav aria-label="Account">
<ul class="list-unstyled mb-0 vstack gap-2">
<li><a href="#" class="link-primary font-semibold" aria-current="page" style="text-decoration:none"><i class="bi bi-speedometer2" aria-hidden="true"></i> Dashboard</a></li>
<li><a href="#" class="link-body-emphasis" style="text-decoration:none"><i class="bi bi-receipt" aria-hidden="true"></i> Orders</a></li>
<li><a href="#" class="link-body-emphasis" style="text-decoration:none"><i class="bi bi-people" aria-hidden="true"></i> Customers</a></li>
<li><a href="#" class="link-body-emphasis" style="text-decoration:none"><i class="bi bi-gear" aria-hidden="true"></i> Settings</a></li>
</ul>
</nav>link-danger marks destructive actions in a settings panel.
<div class="border border-danger/30 rounded-md p-4">
<h3 class="h6">Danger zone</h3>
<p class="small mb-2">Closing your account removes all Halo Works data after 30 days.</p>
<a href="#" class="link-danger link-offset-1 font-semibold"><i class="bi bi-trash" aria-hidden="true"></i> Close account</a>
</div>link-opacity-10 to link-opacity-100 fade the link colour.
<figure class="mb-0">
<div inert>
<div class="vstack gap-1">
<a class="link-opacity-10" href="#">Link opacity 10</a><a class="link-opacity-25" href="#">Link opacity 25</a><a class="link-opacity-50" href="#">Link opacity 50</a><a class="link-opacity-75" href="#">Link opacity 75</a><a class="link-opacity-100" href="#">Link opacity 100</a>
</div>
</div>
<figcaption class="small text-muted mt-2 mb-0">Below 100 the link text no longer reaches 4.5:1 - use the faded steps for hover states and decoration, not for links people must read.</figcaption>
</figure>Popular tags larger in the brand colour, less used tags smaller in grey; the underline shows on hover.
<div class="flex flex-wrap gap-4 items-baseline">
<a href="#" class="text-xl link-primary link-underline-opacity-0 link-underline-opacity-100-hover">#release</a><a href="#" class="text-base link-secondary link-underline-opacity-0 link-underline-opacity-100-hover">#insights</a><a href="#" class="text-lg link-primary link-underline-opacity-0 link-underline-opacity-100-hover">#guide</a><a href="#" class="small link-secondary link-underline-opacity-0 link-underline-opacity-100-hover">#update</a><a href="#" class="text-lg link-primary link-underline-opacity-0 link-underline-opacity-100-hover">#tips</a><a href="#" class="text-base link-secondary link-underline-opacity-0 link-underline-opacity-100-hover">#news</a>
</div>link-underline-opacity-0 hides the underline until link-underline-opacity-75-hover shows it.
<p class="mb-0"> <a href="#" class="link-dark link-underline-dark link-underline-opacity-0 link-underline-opacity-75-hover">Seven automations every team should set up</a> · <a href="#" class="link-success link-underline-success link-underline-opacity-0 link-underline-opacity-75-hover">Inside our product roadmap for next year</a> </p>link-offset-1 to 3 move the underline away from the text; the -hover variant animates it.
<div class="vstack gap-2">
<a class="link-offset-1" href="#">Underline offset 1</a><a class="link-offset-2" href="#">Underline offset 2</a><a class="link-offset-3" href="#">Underline offset 3</a><a class="link-offset-1 link-offset-3-hover link-underline link-underline-opacity-50" href="#">Offset grows on hover</a>
</div>Neutral text with a theme coloured underline using link-underline-*.
<div class="flex flex-wrap gap-4">
<a href="#" class="link-body-emphasis link-offset-2 link-underline-primary">Primary underline</a><a href="#" class="link-body-emphasis link-offset-2 link-underline-success">Success underline</a><a href="#" class="link-body-emphasis link-offset-2 link-underline-warning">Warning underline</a><a href="#" class="link-body-emphasis link-offset-2 link-underline-danger">Danger underline</a>
</div>Edit and delete links coloured by intent in the last column.
<div class="table-responsive">
<table class="table mb-0">
<thead>
<tr>
<th scope="col">Order</th>
<th scope="col">Date</th>
<th scope="col" class="text-end">Actions</th>
</tr>
</thead>
<tbody>
<tr>
<td><a href="#" class="link-body-emphasis font-semibold no-underline">#INV-6309</a></td>
<td>Sep 22, 2025</td>
<td class="text-end whitespace-nowrap"><a href="#" class="link-primary me-2">Edit</a><a href="#" class="link-danger">Delete</a></td>
</tr>
<tr>
<td><a href="#" class="link-body-emphasis font-semibold no-underline">#INV-3739</a></td>
<td>Mar 12, 2026</td>
<td class="text-end whitespace-nowrap"><a href="#" class="link-primary me-2">Edit</a><a href="#" class="link-danger">Delete</a></td>
</tr>
<tr>
<td><a href="#" class="link-body-emphasis font-semibold no-underline">#INV-2546</a></td>
<td>Apr 11, 2026</td>
<td class="text-end whitespace-nowrap"><a href="#" class="link-primary me-2">Edit</a><a href="#" class="link-danger">Delete</a></td>
</tr>
</tbody>
</table>
</div>Headline links in body colour that only underline on hover, with a secondary category link.
Apr 14, 2026 in Support
May 14, 2026 in Product
Oct 14, 2026 in Marketing
<div class="vstack gap-4">
<article>
<h3 class="h6 mb-1"><a href="#" class="link-body-emphasis link-underline-opacity-0 link-underline-opacity-100-hover">A practical guide to async work</a></h3>
<p class="small text-muted mb-0">Apr 14, 2026 in <a href="#" class="link-secondary">Support</a></p>
</article>
<article>
<h3 class="h6 mb-1"><a href="#" class="link-body-emphasis link-underline-opacity-0 link-underline-opacity-100-hover">Writing status updates people actually read</a></h3>
<p class="small text-muted mb-0">May 14, 2026 in <a href="#" class="link-secondary">Product</a></p>
</article>
<article>
<h3 class="h6 mb-1"><a href="#" class="link-body-emphasis link-underline-opacity-0 link-underline-opacity-100-hover">The real cost of switching between tools</a></h3>
<p class="small text-muted mb-0">Oct 14, 2026 in <a href="#" class="link-secondary">Marketing</a></p>
</article>
</div>Email and phone links with an icon and the info colour.
<ul class="list-unstyled vstack gap-2 mb-0">
<li><i class="bi bi-envelope" aria-hidden="true"></i> <a href="mailto:hello@example.com" class="link-info link-offset-1">hello@example.com</a></li>
<li><i class="bi bi-telephone" aria-hidden="true"></i> <a href="tel:+15550100" class="link-info link-offset-1">+1 (555) 973-7476</a></li>
<li><i class="bi bi-geo-alt" aria-hidden="true"></i> <a href="#" class="link-info link-offset-1">345 Cedar Lane, Kyoto</a></li>
</ul>link-light and link-warning stay readable on a dark panel marked data-ui-theme="dark" (status links then use their light shade).
Automations take care of the repetitive steps, so people can focus on real work.
Learn more Upgrade now<div class="text-bg-dark rounded-md p-4" data-ui-theme="dark">
<p class="mb-2">Automations take care of the repetitive steps, so people can focus on real work.</p>
<a href="#" class="link-light link-offset-2 me-4">Learn more</a> <a href="#" class="link-warning link-offset-2">Upgrade now</a>
</div>Small link-secondary links with faint underlines for the fine print.
By continuing you agree to the Terms of Service and Privacy Policy.
<p class="small text-muted mb-0">By continuing you agree to the <a href="#" class="link-secondary link-underline-opacity-25">Terms of Service</a> and <a href="#" class="link-secondary link-underline-opacity-25">Privacy Policy</a>.</p>Icon-only links that brighten on hover with link-opacity-*-hover.
<div class="flex gap-4 text-xl">
<a href="#" class="link-secondary link-opacity-75 link-opacity-100-hover" aria-label="Community chat"><i class="bi bi-chat-dots" aria-hidden="true"></i></a><a href="#" class="link-secondary link-opacity-75 link-opacity-100-hover" aria-label="Newsletter"><i class="bi bi-envelope" aria-hidden="true"></i></a><a href="#" class="link-secondary link-opacity-75 link-opacity-100-hover" aria-label="RSS feed"><i class="bi bi-rss" aria-hidden="true"></i></a><a href="#" class="link-secondary link-opacity-75 link-opacity-100-hover" aria-label="Photo stream"><i class="bi bi-camera" aria-hidden="true"></i></a>
</div>A coloured link inside an alert-style message.
<div class="alert alert-light border flex gap-2 mb-0">
<span class="text-primary-ink"><i class="bi bi-chat-left-text" aria-hidden="true"></i></span>
<div class="small">
Freya Quinn commented on <a href="#" class="link-primary font-semibold">Looking back at a busy season</a> 2 days ago.
</div>
</div>Article pagination with link-body-emphasis and an arrow.
<nav class="flex justify-between small" aria-label="Article pages">
<a href="#" class="link-body-emphasis link-offset-2 link-underline-opacity-25">← How we cut our release cycle in half</a> <a href="#" class="link-body-emphasis link-offset-2 link-underline-opacity-25 text-end">How one support team cut first replies to 20 minutes →</a>
</nav>Each status filter uses its matching link colour.
<div class="flex flex-wrap gap-4 small">
<a href="#" class="link-success">Completed (33)</a> <a href="#" class="link-warning">In review (17)</a> <a href="#" class="link-danger">Overdue (2)</a> <a href="#" class="link-secondary">Archived (87)</a>
</div>link-secondary breadcrumb links leading to the current page.
<nav aria-label="breadcrumb">
<ol class="breadcrumb mb-0">
<li class="breadcrumb-item"><a href="#" class="link-secondary link-underline-opacity-0 link-underline-opacity-100-hover">Home</a></li>
<li class="breadcrumb-item"><a href="#" class="link-secondary link-underline-opacity-0 link-underline-opacity-100-hover">Product</a></li>
<li class="breadcrumb-item active" aria-current="page">Analytics add-on</li>
</ol>
</nav>