Bootstrap 5 Image Slider with Transparent Navbar
A rounded hero carousel with fading photo slides, captions with a call to action, and a transparent navbar that turns solid once the content inside the frame is scrolled.
<section class="wdw-stage">
<div class="container" style="max-width:1100px">
<div class="hs wdw-card overflow-hidden" id="hsFrame">
<nav class="navbar navbar-expand-md navbar-dark hs-nav" id="hsNav" aria-label="Main">
<div class="container-fluid px-3 px-md-4">
<a class="navbar-brand fw-bold" href="#">BRANDNAME</a>
<button class="navbar-toggler border-0" type="button" data-bs-toggle="collapse" data-bs-target="#hsLinks" aria-controls="hsLinks" aria-expanded="false" aria-label="Toggle navigation"><span class="navbar-toggler-icon"></span></button>
<div class="collapse navbar-collapse" id="hsLinks">
<ul class="navbar-nav ms-md-auto gap-md-1 py-2 py-md-0">
<li class="nav-item"><a class="nav-link active" aria-current="page" href="#">Home</a></li>
<li class="nav-item"><a class="nav-link" href="#">About</a></li>
<li class="nav-item"><a class="nav-link" href="#">Services</a></li>
<li class="nav-item"><a class="nav-link" href="#">Contact</a></li>
</ul>
</div>
</div>
</nav>
<div class="hs-scroll" id="hsScroll">
<div id="hsCarousel" class="carousel slide carousel-fade" data-bs-ride="carousel" aria-label="Featured slides">
<div class="carousel-indicators">
<button type="button" data-bs-target="#hsCarousel" data-bs-slide-to="0" class="active" aria-current="true" aria-label="Slide 1"></button>
<button type="button" data-bs-target="#hsCarousel" data-bs-slide-to="1" aria-label="Slide 2"></button>
<button type="button" data-bs-target="#hsCarousel" data-bs-slide-to="2" aria-label="Slide 3"></button>
</div>
<div class="carousel-inner">
<div class="carousel-item active" data-bs-interval="5000">
<div class="hs-slide" style="background-image:url('https://images.unsplash.com/photo-1497366216548-37526070297c?auto=format&fit=crop&w=1350&q=80')" role="img" aria-label="Crafted with care"></div>
<div class="carousel-caption text-start hs-cap"><h2 class="display-5 fw-bold">Crafted with care</h2><p class="lead mb-0">Thoughtful design that grows with your brand.</p><a class="btn btn-light rounded-pill px-4 mt-3" href="#">Get started</a></div>
</div>
<div class="carousel-item" data-bs-interval="5000">
<div class="hs-slide" style="background-image:url('https://images.unsplash.com/photo-1522202176988-66273c2fd55f?auto=format&fit=crop&w=1350&q=80')" role="img" aria-label="Built to be seen"></div>
<div class="carousel-caption text-start hs-cap"><h2 class="display-5 fw-bold">Built to be seen</h2><p class="lead mb-0">Fast, accessible sites that look sharp on every screen.</p><a class="btn btn-light rounded-pill px-4 mt-3" href="#">Get started</a></div>
</div>
<div class="carousel-item" data-bs-interval="5000">
<div class="hs-slide" style="background-image:url('https://images.unsplash.com/photo-1517694712202-14dd9538aa97?auto=format&fit=crop&w=1350&q=80')" role="img" aria-label="Ready when you are"></div>
<div class="carousel-caption text-start hs-cap"><h2 class="display-5 fw-bold">Ready when you are</h2><p class="lead mb-0">Start a project today and launch in weeks, not months.</p><a class="btn btn-light rounded-pill px-4 mt-3" href="#">Get started</a></div>
</div>
</div>
<button class="carousel-control-prev" type="button" data-bs-target="#hsCarousel" data-bs-slide="prev"><span class="carousel-control-prev-icon" aria-hidden="true"></span><span class="visually-hidden">Previous</span></button>
<button class="carousel-control-next" type="button" data-bs-target="#hsCarousel" data-bs-slide="next"><span class="carousel-control-next-icon" aria-hidden="true"></span><span class="visually-hidden">Next</span></button>
</div>
<div class="hs-more p-4 p-md-5">
<span class="wdw-eyebrow">What we do</span>
<h2 class="h4 wdw-heading mb-2">Everything below the hero</h2>
<p class="wdw-muted mb-0">Scroll inside this frame: the navbar starts transparent over the photo and turns solid once you leave the top.</p>
</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 */
.hs { position: relative; height: 520px; }
.hs-scroll { height: 100%; overflow-y: auto; scrollbar-width: thin; }
.hs-nav { position: absolute; top: 0; left: 0; right: 0; z-index: 5; padding-block: .75rem; padding-right: 12px; background: linear-gradient(rgba(10,12,30,.88), rgba(10,12,30,.35) 70%, transparent); transition: background-color .25s, box-shadow .25s; }
.hs-nav.is-solid { background: rgba(20, 22, 50, .94); backdrop-filter: blur(10px); box-shadow: 0 4px 20px rgba(0,0,0,.25); }
.hs-nav .nav-link { border-radius: 999px; padding: .5rem 1rem; color: #fff; }
.hs-nav .nav-link.active { background: rgba(255,255,255,.18); color: #fff; }
.hs-nav .navbar-collapse.show, .hs-nav .navbar-collapse.collapsing { background: rgba(20,22,50,.95); border-radius: 1rem; padding: .5rem 1rem; margin-top: .5rem; }
.hs-slide { height: 520px; background-size: cover; background-position: center; }
.hs-slide::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(10,12,30,.75), rgba(10,12,30,.15) 75%), linear-gradient(0deg, rgba(10,12,30,.55), transparent 50%); }
.hs-cap, .hs-cap h2, .hs-cap p { color: #fff; }
.hs-cap { left: 6%; right: 6%; bottom: 5.5rem; max-width: 34rem; z-index: 2; }
.hs #hsCarousel .carousel-indicators { z-index: 3; left: 6%; right: auto; margin: 0; bottom: 2rem; justify-content: flex-start; }
.hs #hsCarousel .carousel-indicators [data-bs-target] { width: 28px; height: 4px; border-radius: 4px; border: 0; background-color: #fff; }
.hs #hsCarousel .carousel-control-prev, .hs #hsCarousel .carousel-control-next { top: auto; bottom: 1.25rem; width: 44px; height: 44px; opacity: 1; border-radius: 50%; background: rgba(255,255,255,.2); backdrop-filter: blur(6px); z-index: 3; filter: none; }
.hs #hsCarousel .carousel-control-next { right: 6%; }
.hs #hsCarousel .carousel-control-prev { left: auto; right: calc(6% + 52px); }
.hs #hsCarousel .carousel-control-prev:hover, .hs #hsCarousel .carousel-control-next:hover { background: rgba(255,255,255,.35); }
.hs #hsCarousel .carousel-control-prev-icon, .hs #hsCarousel .carousel-control-next-icon { filter: none; width: 1.1rem; height: 1.1rem; }
.hs-more { background: var(--bs-body-bg); min-height: 200px; }
@media (max-width: 767.98px) { .hs { height: 540px; } .hs-slide { height: 540px; } .hs-cap h2 { font-size: 1.75rem; } .hs-cap { bottom: 5.5rem; } }
.hs #hsCarousel .carousel-control-prev-icon { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23fff'%3E%3Cpath d='M11.354 1.646a.5.5 0 0 1 0 .708L5.707 8l5.647 5.646a.5.5 0 0 1-.708.708l-6-6a.5.5 0 0 1 0-.708l6-6a.5.5 0 0 1 .708 0z'/%3E%3C/svg%3E"); }
.hs #hsCarousel .carousel-control-next-icon { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23fff'%3E%3Cpath d='M4.646 1.646a.5.5 0 0 1 .708 0l6 6a.5.5 0 0 1 0 .708l-6 6a.5.5 0 0 1-.708-.708L10.293 8 4.646 2.354a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E"); }
(function initDynamicNavbar() {
var nav = document.getElementById('hsNav');
var scroller = document.getElementById('hsScroll');
if (!nav || !scroller) return;
function update() { nav.classList.toggle('is-solid', scroller.scrollTop > 40); }
scroller.addEventListener('scroll', update, { passive: true });
update();
})();
<header class="hs-nav" id="hsNav">
<div class="hs-nav-inner">
<a href="#" class="hs-brand">Northfield</a>
<button type="button" class="hs-toggle" id="hsToggle" aria-expanded="false" aria-controls="hsLinks" aria-label="Toggle menu">
<svg width="22" height="22" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" aria-hidden="true"><path d="M4 7h16M4 12h16M4 17h16"/></svg>
</button>
<nav class="hs-links" id="hsLinks" aria-label="Main">
<a href="#" class="active" aria-current="page">Home</a>
<a href="#">About</a>
<a href="#">Services</a>
<a href="#">Contact</a>
</nav>
</div>
</header>
<div class="carousel carousel-overlay hs-hero" id="hsHero" data-bs-autoplay="true" aria-roledescription="carousel" aria-label="Featured stories">
<div class="carousel-inner">
<figure class="carousel-item active hs-slide" aria-roledescription="slide" aria-label="1 of 3">
<img src="https://images.unsplash.com/32/Mc8kW4x9Q3aRR3RkP5Im_IMG_4417.jpg?w=1600&q=80" alt="Warm wooden planks lit from the side" width="1600" height="900">
<figcaption class="hs-caption"><h2 class="fs-4xl fw-bold mb-3">Crafted to last</h2><p class="mb-0">Materials and details chosen with care, from the first sketch to the final finish.</p></figcaption>
</figure>
<figure class="carousel-item hs-slide" aria-roledescription="slide" aria-label="2 of 3">
<img src="https://images.unsplash.com/photo-1460602594182-8568137446ce?w=1600&q=80" alt="Desk with laptop, notebook and coffee" width="1600" height="900" loading="lazy">
<figcaption class="hs-caption"><h2 class="fs-4xl fw-bold mb-3">Designed in the open</h2><p class="mb-0">Share work early, gather feedback fast and keep every decision visible to the team.</p></figcaption>
</figure>
<figure class="carousel-item hs-slide" aria-roledescription="slide" aria-label="3 of 3">
<img src="https://images.unsplash.com/photo-1465146633011-14f8e0781093?w=1600&q=80" alt="Mountain ridge under a starry sky" width="1600" height="900" loading="lazy">
<figcaption class="hs-caption"><h2 class="fs-4xl fw-bold mb-3">Built for the long run</h2><p class="mb-0">Reliable foundations that keep working long after launch day.</p></figcaption>
</figure>
</div>
<div class="carousel-overlay-controls hs-controls">
<button type="button" class="btn-icon hs-arrow" data-bs-target="#hsHero" data-bs-slide="prev" aria-label="Previous slide"><span class="carousel-icon-prev"></span></button>
<div class="carousel-indicators">
<button type="button" data-bs-target="#hsHero" data-bs-slide-to="0" class="active" aria-current="true" aria-label="Slide 1"></button>
<button type="button" data-bs-target="#hsHero" data-bs-slide-to="1" aria-label="Slide 2"></button>
<button type="button" data-bs-target="#hsHero" data-bs-slide-to="2" aria-label="Slide 3"></button>
</div>
<button type="button" class="btn-icon hs-arrow" data-bs-target="#hsHero" data-bs-slide="next" aria-label="Next slide"><span class="carousel-icon-next"></span></button>
</div>
</div>
<section class="hs-body">
<div class="container">
<h1 class="fs-3xl fw-bold mb-4">Image slider with a dynamic navbar</h1>
<p class="fg-secondary fs-lg mb-4">The navigation floats transparently over the hero, then picks up a solid background as soon as you scroll. Swap the sample photos for your own and rewrite these paragraphs to describe the site.</p>
<p class="fg-secondary mb-0">The slider is a native Bootstrap 6 carousel: scroll-snap based, swipeable on touch, keyboard friendly and autoplaying until someone interacts with it.</p>
</div>
</section>
.hs-nav { position: fixed; inset: 0 0 auto 0; z-index: 20; color: #fff; transition: background-color .4s, box-shadow .4s, backdrop-filter .4s; }
.hs-nav.scrolled { background: rgb(20 20 24 / .88); backdrop-filter: blur(12px); box-shadow: 0 1px 0 rgb(255 255 255 / .08); }
.hs-nav-inner { max-width: 72rem; margin-inline: auto; display: flex; align-items: center; justify-content: space-between; padding: 1.1rem 1.25rem; position: relative; }
.hs-brand { font-family: 'Source Serif 4', Georgia, serif; font-size: 1.375rem; font-weight: 600; color: #fff; text-decoration: none; letter-spacing: .01em; }
.hs-links { display: flex; gap: .25rem; }
.hs-links a { color: rgb(255 255 255 / .8); text-decoration: none; padding: .5rem .875rem; border-radius: 999px; font-size: .9375rem; font-weight: 500; }
.hs-links a:hover { color: #fff; background: rgb(255 255 255 / .12); }
.hs-links a.active { color: #fff; background: rgb(255 255 255 / .18); }
.hs-links a:focus-visible, .hs-toggle:focus-visible, .hs-arrow:focus-visible { outline: 2px solid #fff; outline-offset: 2px; }
.hs-toggle { display: none; background: none; border: 0; color: #fff; padding: .5rem; border-radius: .5rem; cursor: pointer; }
.hs-hero { --bs-carousel-gap: 0; --bs-carousel-indicator-bg: #fff; height: 78vh; min-height: 26rem; background: #111; }
.hs-hero .carousel-inner { height: 100%; }
.hs-slide { position: relative; margin: 0; height: 100%; }
.hs-slide img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hs-slide::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgb(0 0 0 / .65), rgb(0 0 0 / .1) 55%, rgb(0 0 0 / .35)); }
.hs-caption { position: absolute; z-index: 1; left: 50%; bottom: 5.5rem; transform: translateX(-50%); width: min(44rem, calc(100% - 3rem)); text-align: center; color: #fff; }
.hs-caption h2 { font-family: 'Source Serif 4', Georgia, serif; text-shadow: 0 2px 16px rgb(0 0 0 / .35); }
.hs-caption p { color: rgb(255 255 255 / .9); font-size: 1.0625rem; }
.hs-controls { inset-inline: 1.5rem; inset-block-end: 1.75rem; }
.hs-arrow { color: #fff; background: rgb(255 255 255 / .16); border: 1px solid rgb(255 255 255 / .3); border-radius: 50%; width: 2.75rem; height: 2.75rem; display: inline-flex; align-items: center; justify-content: center; backdrop-filter: blur(6px); cursor: pointer; }
.hs-arrow:hover { background: rgb(255 255 255 / .3); }
.hs-body { padding: 4rem 0 5rem; background: var(--bs-bg-body); }
.hs-body .container { max-width: 46rem; }
@media (width < 768px) {
.hs-toggle { display: inline-flex; }
.hs-nav.open { background: rgb(20 20 24 / .95); }
.hs-links { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; padding: .5rem 1rem 1rem; background: rgb(20 20 24 / .95); }
.hs-nav.open .hs-links { display: flex; }
.hs-caption { bottom: 6rem; }
.hs-arrow { display: none; }
.hs-controls { justify-content: center; }
}
function initStickyNav() {
const nav = document.getElementById('hsNav');
if (!nav) return;
const update = () => nav.classList.toggle('scrolled', window.scrollY > 40);
window.addEventListener('scroll', update, { passive: true });
update();
}
function initMobileMenu() {
const nav = document.getElementById('hsNav');
const toggle = document.getElementById('hsToggle');
if (!nav || !toggle) return;
toggle.addEventListener('click', () => {
const open = nav.classList.toggle('open');
toggle.setAttribute('aria-expanded', String(open));
});
}
initStickyNav();
initMobileMenu();
Built on Bootstrap 6.0.0-alpha.1 (ES modules, no jQuery). Load Bootstrap through an import map and run the JavaScript as type="module" — the downloaded file is already set up that way. Alpha releases can still change class names.
Built on Bootstrap 5.3.8 with plain JavaScript — no jQuery. Supports light and dark mode via data-bs-theme.