Bootstrap 5 Checkout Form with Live Card Preview
A three-step checkout with a live card preview, order summary and a formatted card payment form.
<section class="wdw-stage">
<div class="container" style="max-width:980px">
<ol class="ck-steps list-unstyled d-flex justify-content-center gap-2 gap-md-4 mb-4" aria-label="Checkout progress">
<li class="ck-step is-done"><span class="ck-dot">1</span><span class="d-none d-sm-inline">Cart</span></li>
<li class="ck-step is-done"><span class="ck-dot">2</span><span class="d-none d-sm-inline">Shipping</span></li>
<li class="ck-step is-current" aria-current="step"><span class="ck-dot">3</span><span>Payment</span></li>
</ol>
<div class="wdw-card overflow-hidden">
<div class="row g-0">
<div class="col-lg-5 wdw-aurora p-4 p-md-5 d-flex flex-column justify-content-between gap-4">
<div>
<span class="wdw-eyebrow text-white-50">Order summary</span>
<div class="ck-card mt-3" aria-hidden="true">
<div class="d-flex justify-content-between align-items-center">
<svg width="34" height="26" viewBox="0 0 34 26" fill="none"><rect x="1" y="1" width="32" height="24" rx="5" stroke="currentColor" stroke-width="1.75"/><path d="M1 9h32M8 17h6" stroke="currentColor" stroke-width="1.75"/></svg>
<span class="small fw-semibold opacity-75" id="ckBrand">Card</span>
</div>
<div class="ck-num mt-4" id="ckNumPrev">•••• •••• •••• ••••</div>
<div class="d-flex justify-content-between mt-3 small">
<span id="ckNamePrev" class="text-uppercase">Your name</span>
<span id="ckExpPrev">MM/YY</span>
</div>
</div>
</div>
<ul class="list-unstyled small mb-0">
<li class="d-flex justify-content-between py-2 border-bottom border-light border-opacity-25"><span>Studio monitor (1)</span><span>$1,299.00</span></li>
<li class="d-flex justify-content-between py-2 border-bottom border-light border-opacity-25"><span>Express shipping</span><span>$25.00</span></li>
<li class="d-flex justify-content-between py-2 border-bottom border-light border-opacity-25"><span>Tax</span><span>$125.00</span></li>
<li class="d-flex justify-content-between pt-3 fs-5 fw-bold"><span>Grand total</span><span>$1,449.00</span></li>
</ul>
</div>
<div class="col-lg-7 p-4 p-md-5">
<h1 class="h3 wdw-heading mb-1">Pay with card</h1>
<p class="wdw-muted mb-4">Your payment is encrypted and processed securely.</p>
<div class="d-flex gap-2 mb-4" role="group" aria-label="Payment method">
<input type="radio" class="btn-check" name="ckMethod" id="ckCard" checked>
<label class="btn btn-outline-primary rounded-pill flex-fill" for="ckCard">Card</label>
<input type="radio" class="btn-check" name="ckMethod" id="ckPaypal">
<label class="btn btn-outline-primary rounded-pill flex-fill" for="ckPaypal">PayPal</label>
<input type="radio" class="btn-check" name="ckMethod" id="ckApple">
<label class="btn btn-outline-primary rounded-pill flex-fill" for="ckApple">Apple Pay</label>
</div>
<form id="ckForm" novalidate>
<div class="form-floating mb-3">
<input type="text" class="form-control" id="ckNumber" inputmode="numeric" autocomplete="cc-number" placeholder="Card number" maxlength="19" required>
<label for="ckNumber">Card number</label>
</div>
<div class="form-floating mb-3">
<input type="text" class="form-control" id="ckName" autocomplete="cc-name" placeholder="Name on card" required>
<label for="ckName">Cardholder name</label>
</div>
<div class="row g-3 mb-4">
<div class="col-6">
<div class="form-floating">
<input type="text" class="form-control" id="ckExp" inputmode="numeric" autocomplete="cc-exp" placeholder="MM/YY" maxlength="5" required>
<label for="ckExp">Expiry (MM/YY)</label>
</div>
</div>
<div class="col-6">
<div class="form-floating">
<input type="text" class="form-control" id="ckCvv" inputmode="numeric" autocomplete="cc-csc" placeholder="CVV" maxlength="4" required>
<label for="ckCvv">CVV</label>
</div>
</div>
</div>
<button type="submit" class="btn btn-primary btn-lg rounded-pill w-100">Pay $1,449.00</button>
<p class="small wdw-muted text-center mt-3 mb-0" id="ckMsg" role="status">Secured with 256-bit SSL encryption</p>
</form>
</div>
</div>
</div>
</div>
</section>
/* Web Designer Wall library style — shared base for every Bootstrap 5 snippet.
Indigo accent, Plus Jakarta Sans, soft cards, pill buttons. Works in light and dark. */
@import url("https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap");
:root,
[data-bs-theme="light"] {
--wdw-font: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
--bs-body-font-family: var(--wdw-font);
--bs-primary: #4f46e5;
--bs-primary-rgb: 79, 70, 229;
--bs-primary-text-emphasis: #3730a3;
--bs-primary-bg-subtle: #eef2ff;
--bs-primary-border-subtle: #c7d2fe;
--bs-link-color: #4f46e5;
--bs-link-color-rgb: 79, 70, 229;
--bs-link-hover-color: #4338ca;
--bs-link-hover-color-rgb: 67, 56, 202;
--bs-focus-ring-color: rgba(79, 70, 229, 0.25);
--bs-border-radius: 0.75rem;
--bs-border-radius-lg: 1rem;
--bs-border-radius-xl: 1.25rem;
--wdw-radius-card: 1.25rem;
--wdw-shadow: 0 1px 2px rgba(16, 24, 40, 0.05), 0 16px 40px -16px rgba(16, 24, 40, 0.22);
--wdw-shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.06), 0 4px 12px -4px rgba(16, 24, 40, 0.12);
--wdw-stage: #f5f6fb;
}
[data-bs-theme="dark"] {
--bs-primary: #818cf8;
--bs-primary-rgb: 129, 140, 248;
--bs-primary-text-emphasis: #c7d2fe;
--bs-primary-bg-subtle: rgba(129, 140, 248, 0.14);
--bs-primary-border-subtle: rgba(129, 140, 248, 0.35);
--bs-link-color: #a5b4fc;
--bs-link-color-rgb: 165, 180, 252;
--bs-link-hover-color: #c7d2fe;
--bs-link-hover-color-rgb: 199, 210, 254;
--bs-focus-ring-color: rgba(129, 140, 248, 0.35);
--wdw-shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 16px 40px -16px rgba(0, 0, 0, 0.7);
--wdw-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4), 0 4px 12px -4px rgba(0, 0, 0, 0.5);
--wdw-stage: #0f1117;
}
body { font-family: var(--wdw-font); -webkit-font-smoothing: antialiased; }
/* Bootstrap compiles its blue into these components; point them at the accent. */
.btn-primary {
--bs-btn-bg: var(--bs-primary); --bs-btn-border-color: var(--bs-primary);
--bs-btn-hover-bg: #4338ca; --bs-btn-hover-border-color: #4338ca;
--bs-btn-active-bg: #3730a3; --bs-btn-active-border-color: #3730a3;
--bs-btn-disabled-bg: var(--bs-primary); --bs-btn-disabled-border-color: var(--bs-primary);
--bs-btn-focus-shadow-rgb: var(--bs-primary-rgb);
}
[data-bs-theme="dark"] .btn-primary { --bs-btn-color: #0f1117; --bs-btn-hover-bg: #a5b4fc; --bs-btn-hover-border-color: #a5b4fc; --bs-btn-hover-color: #0f1117; --bs-btn-active-color: #0f1117; }
.btn-outline-primary {
--bs-btn-color: var(--bs-primary); --bs-btn-border-color: var(--bs-primary);
--bs-btn-hover-bg: var(--bs-primary); --bs-btn-hover-border-color: var(--bs-primary);
--bs-btn-active-bg: var(--bs-primary); --bs-btn-active-border-color: var(--bs-primary);
--bs-btn-focus-shadow-rgb: var(--bs-primary-rgb);
}
.btn { --bs-btn-font-weight: 600; min-height: 44px; display: inline-flex; align-items: center; justify-content: center; gap: .5rem; }
.btn-sm { min-height: 36px; }
.form-control, .form-select { min-height: 44px; border-radius: .75rem; }
.form-control:focus, .form-select:focus, .form-check-input:focus { border-color: rgba(var(--bs-primary-rgb), .6); box-shadow: 0 0 0 .25rem var(--bs-focus-ring-color); }
.form-check-input:checked { background-color: var(--bs-primary); border-color: var(--bs-primary); }
.nav-pills { --bs-nav-pills-link-active-bg: var(--bs-primary); }
.nav { --bs-nav-link-color: var(--bs-secondary-color); --bs-nav-link-hover-color: var(--bs-emphasis-color); }
.pagination { --bs-pagination-active-bg: var(--bs-primary); --bs-pagination-active-border-color: var(--bs-primary); --bs-pagination-color: var(--bs-body-color); --bs-pagination-focus-box-shadow: 0 0 0 .25rem var(--bs-focus-ring-color); }
.progress, .progress-stacked { --bs-progress-bar-bg: var(--bs-primary); }
.list-group { --bs-list-group-active-bg: var(--bs-primary); --bs-list-group-active-border-color: var(--bs-primary); }
.dropdown-menu { --bs-dropdown-link-active-bg: var(--bs-primary); border-radius: .875rem; box-shadow: var(--wdw-shadow-sm); }
.accordion { --bs-accordion-active-bg: var(--bs-primary-bg-subtle); --bs-accordion-active-color: var(--bs-primary-text-emphasis); --bs-accordion-btn-focus-box-shadow: 0 0 0 .25rem var(--bs-focus-ring-color); }
.badge { font-weight: 600; }
/* Library building blocks — use these instead of re-inventing them per snippet. */
.wdw-stage { min-height: 100vh; display: flex; align-items: center; background: var(--wdw-stage); padding-block: 3rem; }
.wdw-card { background: var(--bs-body-bg); border: 1px solid var(--bs-border-color-translucent); border-radius: var(--wdw-radius-card); box-shadow: var(--wdw-shadow); }
.wdw-card-sm { background: var(--bs-body-bg); border: 1px solid var(--bs-border-color-translucent); border-radius: 1rem; box-shadow: var(--wdw-shadow-sm); }
.wdw-aurora { position: relative; color: #fff; background: radial-gradient(60% 55% at 100% 0, #818cf8 0, transparent 70%), radial-gradient(65% 60% at 0 100%, #ec4899 0, transparent 65%), #1e1b4b; }
.wdw-eyebrow { display: inline-block; font-size: .75rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--bs-primary); }
.wdw-heading { font-weight: 800; letter-spacing: -.02em; color: var(--bs-emphasis-color); }
.wdw-muted { color: var(--bs-secondary-color); }
.wdw-icon { width: 2.75rem; height: 2.75rem; flex: none; display: inline-flex; align-items: center; justify-content: center; border-radius: .875rem; background: var(--bs-primary-bg-subtle); color: var(--bs-primary); }
/* Component */
.ck-steps { font-size: .875rem; font-weight: 600; color: var(--bs-secondary-color); }
.ck-step { display: flex; align-items: center; gap: .5rem; }
.ck-step + .ck-step::before { content: ""; width: 2rem; height: 2px; background: var(--bs-border-color); margin-right: .5rem; }
.ck-dot { width: 1.75rem; height: 1.75rem; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; font-size: .8rem; background: var(--bs-tertiary-bg); border: 1px solid var(--bs-border-color); }
.ck-step.is-done .ck-dot { background: var(--bs-primary-bg-subtle); color: var(--bs-primary); border-color: var(--bs-primary-border-subtle); }
.ck-step.is-current { color: var(--bs-emphasis-color); }
.ck-step.is-current .ck-dot { background: var(--bs-primary); color: #fff; border-color: var(--bs-primary); }
.ck-card { padding: 1.25rem; border-radius: 1rem; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.25); backdrop-filter: blur(6px); }
.ck-num { font-size: 1.25rem; font-weight: 600; letter-spacing: .12em; font-variant-numeric: tabular-nums; }
(function () {
function initCheckout() {
var form = document.getElementById('ckForm');
if (!form) return;
var num = document.getElementById('ckNumber');
var name = document.getElementById('ckName');
var exp = document.getElementById('ckExp');
var cvv = document.getElementById('ckCvv');
var msg = document.getElementById('ckMsg');
var digits = function (v) { return v.replace(/\D/g, ''); };
function brand(n) {
if (/^4/.test(n)) return 'Visa';
if (/^(5[1-5]|2[2-7])/.test(n)) return 'Mastercard';
if (/^3[47]/.test(n)) return 'Amex';
return 'Card';
}
num.addEventListener('input', function () {
var d = digits(num.value).slice(0, 16);
num.value = d.replace(/(.{4})/g, '$1 ').trim();
var padded = (d + '•'.repeat(16)).slice(0, 16);
document.getElementById('ckNumPrev').textContent = padded.replace(/(.{4})/g, '$1 ').trim();
document.getElementById('ckBrand').textContent = brand(d);
});
name.addEventListener('input', function () {
document.getElementById('ckNamePrev').textContent = name.value || 'Your name';
});
exp.addEventListener('input', function () {
var d = digits(exp.value).slice(0, 4);
exp.value = d.length > 2 ? d.slice(0, 2) + '/' + d.slice(2) : d;
document.getElementById('ckExpPrev').textContent = exp.value || 'MM/YY';
});
cvv.addEventListener('input', function () { cvv.value = digits(cvv.value); });
form.addEventListener('submit', function (e) {
e.preventDefault();
var ok = true;
[[num, 15], [name, 2], [exp, 5], [cvv, 3]].forEach(function (p) {
var good = p[0].value.replace(/\s/g, '').length >= p[1] - (p[0] === num ? 0 : 0);
p[0].classList.toggle('is-invalid', !good);
if (!good) ok = false;
});
msg.textContent = ok ? 'Payment successful. Thank you for your order!' : 'Please check the highlighted fields.';
msg.className = 'small text-center mt-3 mb-0 ' + (ok ? 'text-success' : 'text-danger');
});
}
initCheckout();
})();
Built on Bootstrap 5.3.8 with plain JavaScript — no jQuery. Supports light and dark mode via data-bs-theme.