Triptych Focus Gallery
The selected photo widens within a three-panel gallery while its neighbors recede.
The selected photo widens within a three-panel gallery while its neighbors recede.
Live Demo
Hover over the element or use Tab to focus.
Source Code
Copy the HTML, CSS or JavaScript you need for your project.
HTML
<div class="tbx-1270"><div class="triptych" aria-label="Three gallery works"><button type="button" class="pane one" aria-label="Project 1: Mountains"><span class="art" aria-hidden="true">△<em>01</em></span></button><button type="button" class="pane two" aria-label="Project 2: Architecture"><span class="art" aria-hidden="true">▥<em>02</em></span></button><button type="button" class="pane three" aria-label="Project 3: Sea"><span class="art" aria-hidden="true">≈<em>03</em></span></button></div><p>SELECT A FRAME</p></div>CSS
.tbx-1270{width:100%;min-height:218px;box-sizing:border-box;padding:20px 18px;display:flex;justify-content:center;align-items:center;flex-direction:column;gap:12px;background:#1c2733;color:white;font-family:system-ui,sans-serif}.tbx-1270 *{box-sizing:border-box}
.tbx-1270 .triptych{width:min(340px,100%);height:153px;display:flex;gap:5px;overflow:hidden}.tbx-1270 .pane{min-width:0;flex:1;border:0;cursor:pointer;position:relative;overflow:hidden;display:grid;place-items:center;transition:flex .43s ease,filter .43s;padding:0;color:white}
.tbx-1270 .one{background:linear-gradient(145deg,#b6a7a2,#556c6c 70%)}.tbx-1270 .two{background:linear-gradient(145deg,#c5b98c,#8a7259 68%)}.tbx-1270 .three{background:linear-gradient(145deg,#6ea6aa,#22576e 75%)}
.tbx-1270 .pane:after{content:'';position:absolute;inset:0;background:linear-gradient(0deg,#09131ca3,transparent 56%);pointer-events:none}
.tbx-1270 .art{font:300 54px Georgia,serif;position:relative;z-index:1;transition:transform .4s}.tbx-1270 .art em{position:absolute;left:50%;bottom:-21px;transform:translateX(-50%);font:600 9px system-ui;letter-spacing:.13em}
.tbx-1270 .triptych:has(.pane:is(:hover,:focus-visible)) .pane:not(:hover,:focus-visible){filter:brightness(.72)}.tbx-1270 .pane:is(:hover,:focus-visible){flex:2.3}.tbx-1270 .pane:is(:hover,:focus-visible) .art{transform:scale(1.12)}.tbx-1270 p{font-size:9px;letter-spacing:.18em;opacity:.75;margin:0}
.tbx-1270 :focus-visible{outline:3px solid #ffd290;outline-offset:-3px}
@media(max-width:360px){.tbx-1270 .triptych{height:130px}.tbx-1270 .art{font-size:42px}}
@media(prefers-reduced-motion:reduce){.tbx-1270 *{transition:none!important}}
How to Use
Insert the HTML and add the CSS to your stylesheet. Adjust colors and sizes and avoid class conflicts.
Use Case
Useful for image galleries and portfolio galleries.
Technical Notes
Keep controls usable on touch devices. Test keyboard focus and reduced-motion preferences.
Mobile: Ensure the interactive content remains accessible without hover on touch devices.
Browser: Uses modern CSS. Check behavior in the browsers you support.
Reduced Motion: Check that prefers-reduced-motion is respected.