Masonry Gallery

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<!-- Snippet Name: Masonry Gallery | Family: Gallery | Description: CSS masonry gallery with varied aspect ratios. | Author: DevSnips Contributors | Usage: Copy the .nb section into your page. -->
<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Masonry Gallery | DevSnips</title>
  <meta name="description" content="Neo-brutalist vanilla HTML/CSS/JS section: gallery-masonry. Copy, customize, ship.">
  <link rel="preconnect" href="https://fonts.googleapis.com">
  <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
  <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap" rel="stylesheet">
  <style>  /* ---- Neo-Brutalist design tokens ---- */
  :root{
    --bg:#fbfbf9; --surface:#ffffff; --foreground:#0a0a0a; --muted:#525252;
    --border:#0a0a0a; --primary:#4f46e5; --primary-fg:#ffffff;
    --accent:#facc15; --pink:#ec4899; --lime:#a3e635; --cyan:#22d3ee;
    --radius:6px; --radius-lg:10px;
    --shadow:4px 4px 0 var(--border); --shadow-lg:8px 8px 0 var(--border);
    --ring:0 0 0 3px #fff, 0 0 0 6px var(--primary);
    --container:1200px; --gutter:20px;
    --fs-h1:clamp(2.4rem,6vw,4.25rem); --fs-h2:clamp(1.9rem,4vw,2.9rem);
    --fs-h3:clamp(1.25rem,2.4vw,1.6rem); --fs-lead:clamp(1.05rem,2vw,1.25rem);
    --ff:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  }
  @media (prefers-color-scheme:dark){
    :root{ --bg:#0a0a0a; --surface:#151515; --foreground:#fafafa; --muted:#a3a3a3;
      --border:#fafafa; --ring:0 0 0 3px #000, 0 0 0 6px var(--primary); }
  }
  /* ---- base layout + components ---- */
  *{box-sizing:border-box}
  .nb{font-family:var(--ff);background:var(--bg);color:var(--foreground);
    line-height:1.6;-webkit-font-smoothing:antialiased;margin:0}
  .nb .container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:var(--gutter)}
  .nb section{position:relative;padding-block:clamp(56px,9vw,120px)}
  .nb h1,.nb h2,.nb h3,.nb h4{font-weight:800;letter-spacing:-.02em;line-height:1.08;margin:0}
  .nb h1{font-size:var(--fs-h1)} .nb h2{font-size:var(--fs-h2)} .nb h3{font-size:var(--fs-h3)}
  .nb p{margin:0} .nb a{color:inherit}
  .nb .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.78rem;
    font-weight:700;text-transform:uppercase;letter-spacing:.14em;
    border:2px solid var(--border);background:var(--surface);padding:6px 12px;
    border-radius:999px;box-shadow:var(--shadow)}
  .nb .lead{font-size:var(--fs-lead);color:var(--muted);max-width:62ch}
  .nb .muted{color:var(--muted)}
  .nb .center{text-align:center;margin-inline:auto}
  .nb .grid{display:grid;gap:var(--gutter)}
  .nb .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
    font:inherit;font-weight:700;font-size:.98rem;line-height:1;cursor:pointer;
    text-decoration:none;border:3px solid var(--border);border-radius:var(--radius);
    padding:14px 22px;background:var(--primary);color:var(--primary-fg);
    box-shadow:var(--shadow);transition:transform .12s ease,box-shadow .12s ease,background .12s}
  .nb .btn:hover{transform:translate(-2px,-2px);box-shadow:var(--shadow-lg)}
  .nb .btn:active{transform:translate(2px,2px);box-shadow:0 0 0 var(--border)}
  .nb .btn.outline{background:var(--surface);color:var(--foreground)}
  .nb .btn.ghost{background:transparent;border-color:transparent;box-shadow:none}
  .nb .btn.ghost:hover{box-shadow:var(--shadow);border-color:var(--border);transform:translate(-2px,-2px)}
  .nb .btn.accent{background:var(--accent);color:#0a0a0a}
  .nb .card{background:var(--surface);border:3px solid var(--border);border-radius:var(--radius);
    box-shadow:var(--shadow);padding:24px;transition:transform .14s ease,box-shadow .14s ease}
  .nb .card.hover:hover{transform:translate(-3px,-3px);box-shadow:var(--shadow-lg)}
  .nb .badge{display:inline-flex;align-items:center;gap:6px;font-size:.72rem;font-weight:700;
    text-transform:uppercase;letter-spacing:.08em;border:2px solid var(--border);
    padding:4px 10px;border-radius:999px;background:var(--surface)}
  .nb :focus-visible{outline:none;box-shadow:var(--ring);border-radius:4px}
  .nb .skip{position:absolute;left:-999px;top:8px;background:var(--accent);color:#000;
    padding:10px 16px;border:2px solid var(--border);z-index:50;font-weight:700}
  .nb .skip:focus{left:8px}
  .nb .visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;
    clip:rect(0 0 0 0);white-space:nowrap;border:0;padding:0;margin:-1px}
  @media (prefers-reduced-motion:reduce){
    .nb *,.nb *::before,.nb *::after{animation-duration:.001ms!important;
      transition-duration:.001ms!important;animation-iteration-count:1!important}
  }

  .gm .head{text-align:center;margin-bottom:30px}.gm .head h2{margin:12px 0 8px}
  .gm .cols{column-count:1;column-gap:14px}
  .gm .tile{break-inside:avoid;margin-bottom:14px;border:3px solid var(--border);border-radius:12px;box-shadow:var(--shadow);overflow:hidden;display:grid;place-items:center;font-weight:800;color:#fff;transition:transform .14s}
  .gm .tile:hover{transform:translate(-2px,-2px);box-shadow:var(--shadow-lg)}
  .gm .t1{aspect-ratio:4/3;background:var(--primary)}.gm .t2{aspect-ratio:1;background:var(--accent);color:#0a0a0a}
  .gm .t3{aspect-ratio:4/5;background:var(--pink)}.gm .t4{aspect-ratio:4/3;background:var(--lime);color:#0a0a0a}
  .gm .t5{aspect-ratio:1;background:var(--cyan);color:#0a0a0a}.gm .t6{aspect-ratio:4/3;background:var(--primary)}
  @media(min-width:640px){.gm .cols{column-count:2}}
  @media(min-width:1000px){.gm .cols{column-count:3}}</style>
</head>
<body class="nb">
  <a class="skip" href="#main">Skip to content</a>

  <section class="gm" aria-labelledby="gm-title">
    <div class="container">
      <div class="head"><span class="eyebrow">Gallery</span><h2 id="gm-title">A masonry of moments.</h2></div>
      <div class="cols">
        <div class="tile t1" role="img" aria-label="Gallery image 1">01</div>
        <div class="tile t2" role="img" aria-label="Gallery image 2">02</div>
        <div class="tile t3" role="img" aria-label="Gallery image 3">03</div>
        <div class="tile t4" role="img" aria-label="Gallery image 4">04</div>
        <div class="tile t5" role="img" aria-label="Gallery image 5">05</div>
        <div class="tile t6" role="img" aria-label="Gallery image 6">06</div>
      </div>
    </div>
  </section>
</body>
</html>

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# Masonry Gallery

CSS masonry gallery with varied aspect ratios.

**Technology:** Vanilla HTML/CSS/JS  
**Category:** sections / gallery  
**Design:** Neo-Brutalist (flat colors, hard shadows, bold borders)  
**Responsive:** Mobile-first (320px → 1920px)  
**Dark mode:** via `prefers-color-scheme`  

**Tags:** gallery, masonry, images  
**Features:** light/dark, responsive

## Usage

1. Copy the contents of `code.html` into your page.
2. The section is self-contained (inline CSS + JS). No build step.
3. Tweak the CSS variables in `:root` to rebrand.