Bootstrap 5 Floating Label Form with Password Strength
A sign-up form with floating labels, a show/hide password button and a live password strength meter.
<section class="wdw-stage">
<div class="container" style="max-width:940px">
<div class="wdw-card overflow-hidden">
<div class="row g-0">
<aside class="col-md-5 wdw-aurora d-none d-md-flex flex-column justify-content-between p-4 p-lg-5">
<span class="wdw-eyebrow text-white-50">Why join</span>
<div>
<h2 class="h3 fw-bold mb-4">Ship your next project faster.</h2>
<ul class="list-unstyled d-grid gap-3 mb-4 small">
<li class="d-flex gap-2"><svg class="flex-shrink-0" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="m5 12 5 5 9-10"/></svg>Unlimited projects, free forever</li>
<li class="d-flex gap-2"><svg class="flex-shrink-0" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="m5 12 5 5 9-10"/></svg>Sync across all your devices</li>
<li class="d-flex gap-2"><svg class="flex-shrink-0" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="m5 12 5 5 9-10"/></svg>No credit card required</li>
</ul>
<figure class="mb-0 small opacity-75"><blockquote class="mb-1">“Set up in two minutes. Our whole team was in by lunch.”</blockquote><figcaption>Maya R., Product Lead</figcaption></figure>
</div>
</aside>
<div class="col-md-7 p-4 p-lg-5">
<span class="wdw-eyebrow">Get started</span>
<h1 class="h2 wdw-heading mt-1 mb-1">Create your account</h1>
<p class="wdw-muted mb-3">Labels float up as you type, so nothing is ever hidden.</p>
<div id="flDone" class="alert alert-success d-none align-items-center gap-2" role="status" tabindex="-1">
<svg class="flex-shrink-0" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="m5 12 5 5 9-10"/></svg>
<span><strong>Account created.</strong> Welcome aboard!</span>
</div>
<form id="flForm" novalidate>
<div class="form-floating mb-3">
<input type="email" class="form-control" id="flEmail" placeholder="E-mail" autocomplete="email" required>
<label for="flEmail">E-mail</label>
<div class="invalid-feedback">Enter a valid e-mail address.</div>
</div>
<div class="form-floating mb-3">
<input type="text" class="form-control" id="flUser" placeholder="Username" autocomplete="username" minlength="3" required>
<label for="flUser">Username</label>
<div class="invalid-feedback">At least 3 characters.</div>
</div>
<div class="position-relative mb-2">
<div class="form-floating">
<input type="password" class="form-control pe-5" id="flPass" placeholder="Password" autocomplete="new-password" minlength="8" aria-describedby="flHint flReqs" required>
<label for="flPass">Password</label>
<div class="invalid-feedback">At least 8 characters.</div>
</div>
<button type="button" class="btn btn-link fl-eye text-body-secondary" id="flToggle" aria-label="Show password" aria-pressed="false">
<svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.75" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="M2 12s3.5-7 10-7 10 7 10 7-3.5 7-10 7S2 12 2 12z"/><circle cx="12" cy="12" r="3"/></svg>
</button>
</div>
<div class="d-flex gap-1 mb-1" id="flMeter" role="progressbar" aria-label="Password strength" aria-valuemin="0" aria-valuemax="4" aria-valuenow="0">
<span class="fl-seg"></span><span class="fl-seg"></span><span class="fl-seg"></span><span class="fl-seg"></span>
</div>
<p class="small wdw-muted mb-2" id="flHint">Password strength: not set yet</p>
<ul class="list-unstyled d-flex flex-wrap gap-2 mb-4 small" id="flReqs" aria-label="Password requirements">
<li class="fl-req" data-req="len"><span class="fl-dot" aria-hidden="true"></span>8+ characters</li>
<li class="fl-req" data-req="num"><span class="fl-dot" aria-hidden="true"></span>A number</li>
<li class="fl-req" data-req="sym"><span class="fl-dot" aria-hidden="true"></span>A symbol</li>
</ul>
<button class="btn btn-primary w-100 rounded-pill" type="submit">Create account</button>
</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 */
.fl-eye { position: absolute; top: 50%; right: .5rem; transform: translateY(-50%); width: 44px; padding: 0; z-index: 5; }
.fl-eye[aria-pressed="true"] { color: var(--bs-primary) !important; }
.fl-seg { flex: 1; height: 6px; border-radius: 99px; background: var(--bs-secondary-bg); transition: background-color .25s ease; }
.fl-seg.on-1 { background: var(--bs-danger); }
.fl-seg.on-2 { background: var(--bs-warning); }
.fl-seg.on-3 { background: var(--bs-success); }
.fl-req { display: inline-flex; align-items: center; gap: .4rem; padding: .25rem .65rem; border-radius: 99px; border: 1px solid var(--bs-border-color); color: var(--bs-secondary-color); transition: all .2s ease; }
.fl-dot { width: .6rem; height: .6rem; border-radius: 50%; border: 2px solid currentColor; }
.fl-req.ok { color: var(--bs-success-text-emphasis); background: var(--bs-success-bg-subtle); border-color: var(--bs-success-border-subtle); }
.fl-req.ok .fl-dot { background: currentColor; }
#flDone.show { display: flex !important; }
@media (prefers-reduced-motion: reduce) { .fl-seg, .fl-req { transition: none; } }
(function () {
function initFloatingForm() {
var form = document.getElementById('flForm');
if (!form) return;
var pass = document.getElementById('flPass');
var toggle = document.getElementById('flToggle');
var meter = document.getElementById('flMeter');
var segs = meter.querySelectorAll('.fl-seg');
var hint = document.getElementById('flHint');
var done = document.getElementById('flDone');
var labels = ['Too short', 'Weak', 'Fair', 'Good', 'Strong'];
toggle.addEventListener('click', function () {
var show = pass.type === 'password';
pass.type = show ? 'text' : 'password';
toggle.setAttribute('aria-pressed', String(show));
toggle.setAttribute('aria-label', show ? 'Hide password' : 'Show password');
});
pass.addEventListener('input', function () {
var v = pass.value, s = 0;
var checks = { len: v.length >= 8, num: /\d/.test(v), sym: /[^A-Za-z0-9]/.test(v) };
if (checks.len) s++;
if (/[A-Z]/.test(v) && /[a-z]/.test(v)) s++;
if (checks.num) s++;
if (checks.sym) s++;
Object.keys(checks).forEach(function (k) {
form.querySelector('[data-req="' + k + '"]').classList.toggle('ok', checks[k]);
});
var level = s >= 4 ? 3 : s >= 3 ? 3 : s >= 2 ? 2 : s >= 1 ? 1 : 0;
segs.forEach(function (seg, i) {
seg.className = 'fl-seg' + (v && i < s ? ' on-' + level : '');
});
meter.setAttribute('aria-valuenow', v ? s : 0);
hint.textContent = v ? 'Password strength: ' + labels[s] : 'Password strength: not set yet';
});
form.addEventListener('submit', function (e) {
e.preventDefault();
var valid = form.checkValidity();
form.querySelectorAll('.form-control').forEach(function (i) { i.classList.toggle('is-invalid', !i.checkValidity()); });
if (!valid) return;
done.classList.add('show');
done.focus();
form.reset();
pass.dispatchEvent(new Event('input'));
});
}
initFloatingForm();
})();
Built on Bootstrap 5.3.8 with plain JavaScript — no jQuery. Supports light and dark mode via data-bs-theme.