diff --git a/scss/_progress.scss b/scss/_progress.scss
index 732365c526..8d0cb1f78e 100644
--- a/scss/_progress.scss
+++ b/scss/_progress.scss
@@ -49,6 +49,7 @@
 
 .progress-stacked > .progress {
   overflow: visible;
+  @include transition(var(--#{$prefix}progress-bar-transition));
 }
 
 .progress-stacked > .progress > .progress-bar {
diff --git a/site/src/assets/examples/checkout/checkout.js b/site/src/assets/examples/checkout/checkout.js
index 30ea0aa6b1..8ef4dcdfa9 100644
--- a/site/src/assets/examples/checkout/checkout.js
+++ b/site/src/assets/examples/checkout/checkout.js
@@ -1,19 +1,9 @@
-// Example starter JavaScript for disabling form submissions if there are invalid fields
-(() => {
-  'use strict'
+function bad() {
+  const bad = document.getElementById('bad')
+  bad.style.width = '60%'
+}
 
-  // Fetch all the forms we want to apply custom Bootstrap validation styles to
-  const forms = document.querySelectorAll('.needs-validation')
-
-  // Loop over them and prevent submission
-  Array.from(forms).forEach(form => {
-    form.addEventListener('submit', event => {
-      if (!form.checkValidity()) {
-        event.preventDefault()
-        event.stopPropagation()
-      }
-
-      form.classList.add('was-validated')
-    }, false)
-  })
-})()
+function good() {
+  const good = document.getElementById('good')
+  good.style.width = '60%'
+}
diff --git a/site/src/assets/examples/checkout/index.astro b/site/src/assets/examples/checkout/index.astro
index 029bc796bf..2e01a093c3 100644
--- a/site/src/assets/examples/checkout/index.astro
+++ b/site/src/assets/examples/checkout/index.astro
@@ -2,230 +2,51 @@
 import { getVersionedDocsPath } from '@libs/path'
 
 export const title = 'Checkout example'
-export const extra_css = ['checkout.css']
 export const extra_js = [{ src: 'checkout.js' }]
-export const body_class = 'bg-body-tertiary'
 ---
+<h2>.progress-stacked bad</h2>
 
-<div class="container">
-  <main>
-    <div class="py-5 text-center">
-      <img class="d-block mx-auto mb-4" src={getVersionedDocsPath('/assets/brand/bootstrap-logo.svg')} alt="" width="72" height="57">
-      <h1 class="h2">Checkout form</h1>
-      <p class="lead">Below is an example form built entirely with Bootstrap’s form controls. Each required form group has a validation state that can be triggered by attempting to submit the form without completing it.</p>
-    </div>
-
-    <div class="row g-5">
-      <div class="col-md-5 col-lg-4 order-md-last">
-        <h4 class="d-flex justify-content-between align-items-center mb-3">
-          <span class="text-primary">Your cart</span>
-          <span class="badge bg-primary rounded-pill">3</span>
-        </h4>
-        <ul class="list-group mb-3">
-          <li class="list-group-item d-flex justify-content-between lh-sm">
-            <div>
-              <h6 class="my-0">Product name</h6>
-              <small class="text-body-secondary">Brief description</small>
-            </div>
-            <span class="text-body-secondary">$12</span>
-          </li>
-          <li class="list-group-item d-flex justify-content-between lh-sm">
-            <div>
-              <h6 class="my-0">Second product</h6>
-              <small class="text-body-secondary">Brief description</small>
-            </div>
-            <span class="text-body-secondary">$8</span>
-          </li>
-          <li class="list-group-item d-flex justify-content-between lh-sm">
-            <div>
-              <h6 class="my-0">Third item</h6>
-              <small class="text-body-secondary">Brief description</small>
-            </div>
-            <span class="text-body-secondary">$5</span>
-          </li>
-          <li class="list-group-item d-flex justify-content-between bg-body-tertiary">
-            <div class="text-success">
-              <h6 class="my-0">Promo code</h6>
-              <small>EXAMPLECODE</small>
-            </div>
-            <span class="text-success">−$5</span>
-          </li>
-          <li class="list-group-item d-flex justify-content-between">
-            <span>Total (USD)</span>
-            <strong>$20</strong>
-          </li>
-        </ul>
-
-        <form class="card p-2">
-          <div class="input-group">
-            <input type="text" class="form-control" placeholder="Promo code">
-            <button type="submit" class="btn btn-secondary">Redeem</button>
-          </div>
-        </form>
-      </div>
-      <div class="col-md-7 col-lg-8">
-        <h4 class="mb-3">Billing address</h4>
-        <form class="needs-validation" novalidate>
-          <div class="row g-3">
-            <div class="col-sm-6">
-              <label for="firstName" class="form-label">First name</label>
-              <input type="text" class="form-control" id="firstName" placeholder="" value="" required>
-              <div class="invalid-feedback">
-                Valid first name is required.
-              </div>
-            </div>
-
-            <div class="col-sm-6">
-              <label for="lastName" class="form-label">Last name</label>
-              <input type="text" class="form-control" id="lastName" placeholder="" value="" required>
-              <div class="invalid-feedback">
-                Valid last name is required.
-              </div>
-            </div>
-
-            <div class="col-12">
-              <label for="username" class="form-label">Username</label>
-              <div class="input-group has-validation">
-                <span class="input-group-text">@</span>
-                <input type="text" class="form-control" id="username" placeholder="Username" required>
-              <div class="invalid-feedback">
-                  Your username is required.
-                </div>
-              </div>
-            </div>
-
-            <div class="col-12">
-              <label for="email" class="form-label">Email <span class="text-body-secondary">(Optional)</span></label>
-              <input type="email" class="form-control" id="email" placeholder="you@example.com">
-              <div class="invalid-feedback">
-                Please enter a valid email address for shipping updates.
-              </div>
-            </div>
-
-            <div class="col-12">
-              <label for="address" class="form-label">Address</label>
-              <input type="text" class="form-control" id="address" placeholder="1234 Main St" required>
-              <div class="invalid-feedback">
-                Please enter your shipping address.
-              </div>
-            </div>
-
-            <div class="col-12">
-              <label for="address2" class="form-label">Address 2 <span class="text-body-secondary">(Optional)</span></label>
-              <input type="text" class="form-control" id="address2" placeholder="Apartment or suite">
-            </div>
-
-            <div class="col-md-5">
-              <label for="country" class="form-label">Country</label>
-              <select class="form-select" id="country" required>
-                <option value="">Choose...</option>
-                <option>United States</option>
-              </select>
-              <div class="invalid-feedback">
-                Please select a valid country.
-              </div>
-            </div>
-
-            <div class="col-md-4">
-              <label for="state" class="form-label">State</label>
-              <select class="form-select" id="state" required>
-                <option value="">Choose...</option>
-                <option>California</option>
-              </select>
-              <div class="invalid-feedback">
-                Please provide a valid state.
-              </div>
-            </div>
-
-            <div class="col-md-3">
-              <label for="zip" class="form-label">Zip</label>
-              <input type="text" class="form-control" id="zip" placeholder="" required>
-              <div class="invalid-feedback">
-                Zip code required.
-              </div>
-            </div>
-          </div>
-
-          <hr class="my-4">
-
-          <div class="form-check">
-            <input type="checkbox" class="form-check-input" id="same-address">
-            <label class="form-check-label" for="same-address">Shipping address is the same as my billing address</label>
-          </div>
-
-          <div class="form-check">
-            <input type="checkbox" class="form-check-input" id="save-info">
-            <label class="form-check-label" for="save-info">Save this information for next time</label>
-          </div>
-
-          <hr class="my-4">
-
-          <h4 class="mb-3">Payment</h4>
-
-          <div class="my-3">
-            <div class="form-check">
-              <input id="credit" name="paymentMethod" type="radio" class="form-check-input" checked required>
-              <label class="form-check-label" for="credit">Credit card</label>
-            </div>
-            <div class="form-check">
-              <input id="debit" name="paymentMethod" type="radio" class="form-check-input" required>
-              <label class="form-check-label" for="debit">Debit card</label>
-            </div>
-            <div class="form-check">
-              <input id="paypal" name="paymentMethod" type="radio" class="form-check-input" required>
-              <label class="form-check-label" for="paypal">PayPal</label>
-            </div>
-          </div>
-
-          <div class="row gy-3">
-            <div class="col-md-6">
-              <label for="cc-name" class="form-label">Name on card</label>
-              <input type="text" class="form-control" id="cc-name" placeholder="" required>
-              <small class="text-body-secondary">Full name as displayed on card</small>
-              <div class="invalid-feedback">
-                Name on card is required
-              </div>
-            </div>
-
-            <div class="col-md-6">
-              <label for="cc-number" class="form-label">Credit card number</label>
-              <input type="text" class="form-control" id="cc-number" placeholder="" required>
-              <div class="invalid-feedback">
-                Credit card number is required
-              </div>
-            </div>
-
-            <div class="col-md-3">
-              <label for="cc-expiration" class="form-label">Expiration</label>
-              <input type="text" class="form-control" id="cc-expiration" placeholder="" required>
-              <div class="invalid-feedback">
-                Expiration date required
-              </div>
-            </div>
-
-            <div class="col-md-3">
-              <label for="cc-cvv" class="form-label">CVV</label>
-              <input type="text" class="form-control" id="cc-cvv" placeholder="" required>
-              <div class="invalid-feedback">
-                Security code required
-              </div>
-            </div>
-          </div>
-
-          <hr class="my-4">
-
-          <button class="w-100 btn btn-primary btn-lg" type="submit">Continue to checkout</button>
-        </form>
-      </div>
-    </div>
-  </main>
-
-  <footer class="my-5 pt-5 text-body-secondary text-center text-small">
-    <p class="mb-1">&copy; 2017–{new Date().getFullYear()} Company Name</p>
-    <ul class="list-inline">
-      <li class="list-inline-item"><a href="#">Privacy</a></li>
-      <li class="list-inline-item"><a href="#">Terms</a></li>
-      <li class="list-inline-item"><a href="#">Support</a></li>
-    </ul>
-  </footer>
+<div class="progress-stacked">
+  <div
+    id="bad"
+    class="progress"
+    role="progressbar"
+    aria-label="Percent In Favor"
+    aria-valuenow="40"
+    aria-valuemin="0"
+    aria-valuemax="100"
+    style="width: 40%"
+  >
+    <div class="progress-bar bg-success"></div>
+  </div>
+  <div
+    class="progress"
+    role="progressbar"
+    aria-label="Percent Opposed"
+    aria-valuenow="40"
+    aria-valuemin="0"
+    aria-valuemax="100"
+    style="width: 40%"
+  >
+    <div class="progress-bar bg-danger"></div>
+  </div>
 </div>
+
+<button class="btn btn-danger mt-2" onclick="bad()">Bad</button>
+
+<div class="progress mt-2">
+  <div
+    id="good"
+    class="progress-bar bg-success"
+    role="progressbar"
+    style="width: 40%"
+  ></div>
+  <div
+    class="progress-bar bg-danger"
+    role="progressbar"
+    style="width: 40%"
+  ></div>
+</div>
+
+<button class="btn btn-success mt-2" onclick="good()">Good</button>
+