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'%20stop-opacity%3D'0.16'%2F%3E%3Cstop%20offset%3D'1'%20stop-color%3D'rgb(200%2C90%2C60)'%20stop-opacity%3D'0.03'%2F%3E%3C%2FlinearGradient%3E%3C%2Fdefs%3E%3Crect%20width%3D'320'%20height%3D'200'%20fill%3D'url(%23g)'%2F%3E%3Ccircle%20cx%3D'250'%20cy%3D'56'%20r%3D'92'%20fill%3D'rgb(200%2C90%2C60)'%20fill-opacity%3D'0.06'%2F%3E%3Ccircle%20cx%3D'64'%20cy%3D'172'%20r%3D'58'%20fill%3D'rgb(200%2C90%2C60)'%20fill-opacity%3D'0.05'%2F%3E%3C%2Fsvg%3E)
From benjaminsehl-liquid-skills-2
Implements WCAG 2.2 accessibility patterns for Shopify Liquid themes. Covers e-commerce components like product cards, carousels, cart drawers, and forms with ARIA and focus management guidance.
How this skill is triggered — by the user, by Claude, or both
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/benjaminsehl-liquid-skills-2:liquid-theme-a11yThe summary Claude sees in its skill listing — used to decide when to auto-load this skill
Every interactive component must work with keyboard only, screen readers, and reduced-motion preferences. Start with semantic HTML — add ARIA only when native semantics are insufficient.
Every interactive component must work with keyboard only, screen readers, and reduced-motion preferences. Start with semantic HTML — add ARIA only when native semantics are insufficient.
| Component | HTML Element | ARIA Pattern | Reference |
|---|---|---|---|
| Expandable content | <details>/<summary> | None needed | Accordion |
| Modal/dialog | <dialog> | aria-modal="true" | Modal |
| Tooltip/popup | [popover] attribute | role="tooltip" fallback | Tooltip |
| Dropdown menu | <nav> + <ul> | aria-expanded on triggers | Navigation |
| Tab interface | <div> | role="tablist/tab/tabpanel" | Tabs |
| Carousel/slider | <div> | role="region" + aria-roledescription | Carousel |
| Product card | <article> | aria-labelledby | Product card |
| Form | <form> | aria-invalid, aria-describedby | Forms |
| Cart drawer | <dialog> | Focus trap | Cart drawer |
| Price display | <span> | aria-label for context | Prices |
| Filters | <form> + <fieldset> | aria-expanded for disclosures | Filters |
<body>
<a href="#main-content" class="skip-link">{{ 'accessibility.skip_to_content' | t }}</a>
<header role="banner">
<nav aria-label="{{ 'accessibility.main_navigation' | t }}">...</nav>
</header>
<main id="main-content">
<!-- All page content inside main -->
</main>
<footer role="contentinfo">
<nav aria-label="{{ 'accessibility.footer_navigation' | t }}">...</nav>
</footer>
</body>
<header>, <main>, <footer> per page<nav> elements must have distinct aria-label.skip-link {
position: absolute;
inset-inline-start: -999px;
z-index: 999;
}
.skip-link:focus {
position: fixed;
inset-block-start: 0;
inset-inline-start: 0;
padding: 1rem;
background: var(--color-background);
color: var(--color-foreground);
}
<h1> per page, never skip levels (h1 → h3)<h1> is typically the page/product title/* All interactive elements */
:focus-visible {
outline: 2px solid rgb(var(--color-focus));
outline-offset: 2px;
}
/* High contrast mode */
@media (forced-colors: active) {
:focus-visible {
outline: 3px solid LinkText;
}
}
:focus-visible (not :focus) to avoid showing on clickoutline: none without a visible replacementa[href], button:not([disabled]), input:not([disabled]), select, textarea, [tabindex]:not([tabindex="-1"])See focus and keyboard patterns for full FocusTrap implementation.
<article class="product-card" aria-labelledby="ProductTitle-{{ product.id }}">
<a href="{{ product.url }}" class="product-card__link" aria-labelledby="ProductTitle-{{ product.id }}">
<img
src="{{ product.featured_image | image_url: width: 400 }}"
alt="{{ product.featured_image.alt | escape }}"
loading="lazy"
width="{{ product.featured_image.width }}"
height="{{ product.featured_image.height }}"
>
</a>
<h3 id="ProductTitle-{{ product.id }}">
<a href="{{ product.url }}">{{ product.title }}</a>
</h3>
<div class="product-card__price" aria-label="{{ 'products.price_label' | t: price: product.price | money }}">
{{ product.price | money }}
</div>
<button
class="product-card__quick-add"
tabindex="-1"
aria-label="{{ 'products.quick_add' | t: title: product.title }}"
>
{{ 'products.add_to_cart' | t }}
</button>
</article>
Rules:
tabindex="-1" on mouse-only shortcuts (quick add)aria-labelledby on <article> pointing to the titlealt="" if decorative<div
role="region"
aria-roledescription="carousel"
aria-label="{{ section.settings.heading | escape }}"
>
<div class="carousel__controls">
<button
aria-label="{{ 'accessibility.previous_slide' | t }}"
aria-controls="CarouselSlides-{{ section.id }}"
>{% render 'icon-chevron-left' %}</button>
<button
aria-label="{{ 'accessibility.next_slide' | t }}"
aria-controls="CarouselSlides-{{ section.id }}"
>{% render 'icon-chevron-right' %}</button>
<button
aria-label="{{ 'accessibility.pause_slideshow' | t }}"
aria-pressed="false"
>{% render 'icon-pause' %}</button>
</div>
<div id="CarouselSlides-{{ section.id }}" aria-live="polite">
{% for slide in section.blocks %}
<div
role="group"
aria-roledescription="slide"
aria-label="{{ 'accessibility.slide_n_of_total' | t: n: forloop.index, total: forloop.length }}"
{% unless forloop.first %}aria-hidden="true"{% endunless %}
>
{{ slide.settings.content }}
</div>
{% endfor %}
</div>
</div>
Rules:
aria-live="polite" on slide container (set to "off" during auto-rotation)aria-hidden="true" on inactive slidesrole="group" + aria-roledescription="slide"<dialog
id="Modal-{{ section.id }}"
aria-labelledby="ModalTitle-{{ section.id }}"
aria-modal="true"
>
<div class="modal__header">
<h2 id="ModalTitle-{{ section.id }}">{{ title }}</h2>
<button
type="button"
aria-label="{{ 'accessibility.close' | t }}"
on:click="/closeModal"
>{% render 'icon-close' %}</button>
</div>
<div class="modal__content">
<!-- Content -->
</div>
</dialog>
Rules:
<dialog> elementaria-labelledby pointing to the title<dialog>)Same as modal pattern but with additional:
<span aria-live="polite" aria-atomic="true">aria-label="{{ 'cart.remove_item' | t: title: item.title }}"<form action="{{ routes.cart_url }}" method="post">
<div class="form__field">
<label for="Email-{{ section.id }}">{{ 'forms.email' | t }}</label>
<input
type="email"
id="Email-{{ section.id }}"
name="email"
required
aria-required="true"
autocomplete="email"
aria-describedby="EmailError-{{ section.id }}"
>
<p
id="EmailError-{{ section.id }}"
class="form__error"
role="alert"
hidden
>{{ 'forms.email_required' | t }}</p>
</div>
</form>
Rules:
<label> with matching for/id<fieldset>/<legend> for radio/checkbox groupsrole="alert" + aria-describedby linking to inputaria-invalid="true" on invalid inputsautocomplete attributes on common fieldsrequired + aria-required="true" + visual indicator<form class="facets">
<div class="facets__group">
<button
type="button"
aria-expanded="false"
aria-controls="FilterColor-{{ section.id }}"
>{{ 'filters.color' | t }}</button>
<fieldset id="FilterColor-{{ section.id }}" hidden>
<legend class="visually-hidden">{{ 'filters.filter_by_color' | t }}</legend>
{% for color in colors %}
<label>
<input type="checkbox" name="filter.color" value="{{ color }}">
{{ color }}
</label>
{% endfor %}
</fieldset>
</div>
<div aria-live="polite" aria-atomic="true">
{{ 'filters.results_count' | t: count: results.size }}
</div>
</form>
{% if product.compare_at_price > product.price %}
<div class="price" aria-label="{{ 'products.sale_price_label' | t: sale_price: product.price | money, original_price: product.compare_at_price | money }}">
<s aria-hidden="true">{{ product.compare_at_price | money }}</s>
<span>{{ product.price | money }}</span>
</div>
{% else %}
<div class="price">{{ product.price | money }}</div>
{% endif %}
aria-label to provide full price context (sale vs. original)aria-hidden="true" on the visual strikethrough to avoid duplicate reading<details>
<summary>{{ block.settings.heading }}</summary>
<div class="accordion__content">
{{ block.settings.content }}
</div>
</details>
Native <details>/<summary> provides keyboard and screen reader support automatically.
<div role="tablist" aria-label="{{ 'accessibility.product_tabs' | t }}">
{% for tab in tabs %}
<button
role="tab"
id="Tab-{{ tab.id }}"
aria-selected="{% if forloop.first %}true{% else %}false{% endif %}"
aria-controls="Panel-{{ tab.id }}"
tabindex="{% if forloop.first %}0{% else %}-1{% endif %}"
>{{ tab.title }}</button>
{% endfor %}
</div>
{% for tab in tabs %}
<div
role="tabpanel"
id="Panel-{{ tab.id }}"
aria-labelledby="Tab-{{ tab.id }}"
{% unless forloop.first %}hidden{% endunless %}
tabindex="0"
>{{ tab.content }}</div>
{% endfor %}
tabindex="0", others -1<nav aria-label="{{ 'accessibility.main_navigation' | t }}">
<ul role="list">
{% for link in linklists.main-menu.links %}
<li>
{% if link.links.size > 0 %}
<button aria-expanded="false" aria-controls="Submenu-{{ forloop.index }}">
{{ link.title }}
</button>
<ul id="Submenu-{{ forloop.index }}" hidden role="list">
{% for child in link.links %}
<li><a href="{{ child.url }}">{{ child.title }}</a></li>
{% endfor %}
</ul>
{% else %}
<a href="{{ link.url }}">{{ link.title }}</a>
{% endif %}
</li>
{% endfor %}
</ul>
</nav>
<button aria-describedby="Tooltip-{{ block.id }}">
{{ 'labels.info' | t }}
</button>
<div id="Tooltip-{{ block.id }}" role="tooltip" popover>
{{ block.settings.tooltip_text }}
</div>
dvh instead of vh for mobile viewport units/* Always provide reduced motion */
@media (prefers-reduced-motion: reduce) {
*, *::before, *::after {
animation-duration: 0.01ms !important;
animation-iteration-count: 1 !important;
transition-duration: 0.01ms !important;
scroll-behavior: auto !important;
}
}
.visually-hidden {
position: absolute;
width: 1px;
height: 1px;
padding: 0;
margin: -1px;
overflow: hidden;
clip: rect(0, 0, 0, 0);
white-space: nowrap;
border: 0;
}
Use for screen-reader-only content like labels and descriptions.
| Element | Minimum Ratio |
|---|---|
| Normal text (<18px / <14px bold) | 4.5:1 |
| Large text (≥18px / ≥14px bold) | 3:1 |
| UI components & graphics | 3:1 |
| Focus indicators | 3:1 |
Never rely solely on color to convey information — always pair with text, icons, or patterns.
npx claudepluginhub benjaminsehl/liquid-skills --plugin shopify-theme-skillsImplement WCAG 2.2 accessibility patterns in Shopify Liquid themes. Covers e-commerce-specific components including product cards, carousels, cart drawers, price display, forms, filters, and modals. Use when building accessible theme components, fixing accessibility issues, or reviewing ARIA patterns in .liquid files.
Provides context and instructions for working with Shopify Liquid templating language, including themes, components, blocks, sections, snippets, and schemas.
Generates Shopify Liquid theme code for sections, blocks, snippets with schema JSON, LiquidDoc headers, translation keys, and CSS/JS patterns. Use for .liquid files, schema, doc/stylesheet/javascript tags, or Shopify objects/filters/tags.