Bootstrap 5 Newsletter Subscription Form
A newsletter sign-up card that asks a yes or no question, then reveals an email field and a success message with validation.
<section class="wdw-stage">
<div class="container" style="max-width:640px">
<div class="nl wdw-aurora rounded-5 p-4 p-sm-5 text-center overflow-hidden">
<div class="nl-step" data-step="ask">
<span class="nl-icon mx-auto mb-4"><i class="bi bi-envelope-paper-heart"></i></span>
<h2 class="nl-title fw-bold mb-2">Do you want to receive our weekly newsletter?</h2>
<p class="nl-sub mb-4">One short email every Friday. Design news, new components and no spam.</p>
<div class="d-flex flex-column flex-sm-row gap-3 justify-content-center">
<button type="button" class="btn btn-light rounded-pill px-4 fw-semibold" data-go="form">Yes, sign me up</button>
<button type="button" class="btn btn-outline-light rounded-pill px-4" data-go="later">Maybe later</button>
</div>
</div>
<form class="nl-step" data-step="form" novalidate hidden>
<h2 class="nl-title fw-bold mb-2">Where should we send it?</h2>
<p class="nl-sub mb-4">Enter your email and you are in.</p>
<div class="nl-field mb-2">
<label for="nlEmail" class="visually-hidden">Email address</label>
<input id="nlEmail" type="email" class="form-control rounded-pill" placeholder="[email protected]" autocomplete="email" required>
<button type="submit" class="btn btn-light rounded-pill fw-semibold">Subscribe</button>
</div>
<p class="nl-error small mb-0" id="nlError" role="alert" hidden>Please enter a valid email address.</p>
<button type="button" class="btn btn-link link-light link-underline-opacity-50 btn-sm mt-3" data-go="ask">Back</button>
</form>
<div class="nl-step" data-step="done" hidden>
<span class="nl-icon nl-ok mx-auto mb-4"><i class="bi bi-check-lg"></i></span>
<h2 class="nl-title fw-bold mb-2">You are subscribed</h2>
<p class="nl-sub mb-0" role="status">Watch your inbox this Friday for the first issue.</p>
</div>
<div class="nl-step" data-step="later" hidden>
<h2 class="nl-title fw-bold mb-2">No problem</h2>
<p class="nl-sub mb-4">You can subscribe any time from the footer.</p>
<button type="button" class="btn btn-outline-light rounded-pill px-4" data-go="ask">Changed my mind</button>
</div>
</div>
</div>
</section>
@import url("https://cdnjs.cloudflare.com/ajax/libs/bootstrap-icons/1.11.3/font/bootstrap-icons.min.css");
/* 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 */
.nl { box-shadow: 0 30px 60px -24px rgba(30,27,75,.6); min-height: 22rem; display: flex; flex-direction: column; justify-content: center; }
.nl-title { font-size: clamp(1.5rem, 4vw, 2rem); letter-spacing: -.02em; line-height: 1.2; }
.nl-sub { color: rgba(255,255,255,.8); }
.nl-icon { width: 64px; height: 64px; border-radius: 1.25rem; display: flex; align-items: center; justify-content: center; font-size: 1.9rem; background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.3); }
.nl-ok { background: #16a34a; border-color: transparent; }
.nl-step:not([hidden]) { animation: nlIn .4s ease both; }
.nl-field { display: flex; flex-direction: column; gap: .5rem; }
@media (min-width: 576px) { .nl-field { flex-direction: row; background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.3); border-radius: 999px; padding: 4px; } .nl-field .form-control { background: transparent; border: 0; color: #fff; box-shadow: none !important; } }
.nl-field .form-control { color: #fff; background: rgba(255,255,255,.14); border-color: rgba(255,255,255,.3); }
.nl-field .form-control::placeholder { color: rgba(255,255,255,.65); }
.nl-error { color: #fecdd3; }
.nl .btn-link { --bs-btn-color: #fff; }
@keyframes nlIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .nl-step:not([hidden]) { animation: none; } }
function initNewsletter() {
const root = document.querySelector('.nl');
if (!root) return;
const steps = root.querySelectorAll('.nl-step');
const show = (name) => {
steps.forEach((s) => { s.hidden = s.dataset.step !== name; });
const input = root.querySelector('#nlEmail');
if (name === 'form' && input) input.focus();
};
root.querySelectorAll('[data-go]').forEach((b) => b.addEventListener('click', () => show(b.dataset.go)));
const form = root.querySelector('form');
const error = root.querySelector('#nlError');
form.addEventListener('submit', (e) => {
e.preventDefault();
const input = form.elements.nlEmail;
const ok = input.checkValidity() && input.value.trim() !== '';
error.hidden = ok;
input.setAttribute('aria-invalid', String(!ok));
if (ok) { form.reset(); show('done'); } else input.focus();
});
}
initNewsletter();
Built on Bootstrap 5.3.8 with plain JavaScript — no jQuery. Supports light and dark mode via data-bs-theme.
