Expandable List - Free UI Component Template

Text Color #1e293b

Accent Color #4f46e5

Background Color #ffffff

Font Size (rem) 1

Max Width (px) 800

Expandable List

A high-fidelity accordion list with smooth height transitions and interactive rotating toggle indicators.

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Expandable List</title>
    <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=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap" rel="stylesheet">
    <style>
        :root {
            --text-color: {{textColor}};
            --accent-color: {{accentColor}};
            --bg-color: {{bgColor}};
            --font-size: {{fontSize}}rem;
            --list-width: {{listWidth}}px;
        }

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
            font-family: 'Plus Jakarta Sans', sans-serif;
            background: #f8fafc;
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 100vh;
            padding: 2rem;
            color: var(--text-color);
        }

.expandable-container {
            width: 100%;
            max-width: var(--list-width);
            background: var(--bg-color);
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.04);
            font-size: var(--font-size);
        }

.expandable-item {
            border-bottom: 1px solid #f1f5f9;
        }
        .expandable-item:last-child { border-bottom: none; }

.item-header {
            width: 100%;
            padding: 1.5rem 2rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: none;
            border: none;
            cursor: pointer;
            text-align: left;
            transition: background 0.2s ease;
            color: var(--text-color);
            font-size: inherit;
            font-family: inherit;
        }

.item-header:hover { background: #fcfdfe; }

.item-title { font-weight: 700; font-size: 1.1em; }
        
        .toggle-icon {
            width: 24px;
            height: 24px;
            background: #f1f5f9;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            color: #64748b;
        }

.expandable-item.open .toggle-icon {
            background: var(--accent-color);
            color: white;
            transform: rotate(180deg);
        }

.item-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            background: #fafbfc;
        }

.expandable-item.open .item-content {
            max-height: 500px; /* Arbitrary large height */
        }

.content-inner {
            padding: 1.5rem 2rem;
            color: #64748b;
            line-height: 1.6;
            font-size: 0.95em;
        }

svg.chevron { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 3; }

</style>
</head>
<body style="--accent-rgb: 79, 70, 229;">

<div class="expandable-container">
        <div class="expandable-item open">
            <button class="item-header">
                <span class="item-title">What is the delivery timeline?</span>
                <div class="toggle-icon">
                    <svg class="chevron" viewBox="0 0 24 24"><path d="M6 9l6 6 6-6"/></svg>
                </div>
            </button>
            <div class="item-content">
                <div class="content-inner">
                    Standard delivery typically takes 3-5 business days. For international orders, please allow 7-14 business days. Priority shipping options are available at checkout if you need your items sooner.
                </div>
            </div>
        </div>

<div class="expandable-item">
            <button class="item-header">
                <span class="item-title">Can I change my subscription?</span>
                <div class="toggle-icon">
                    <svg class="chevron" viewBox="0 0 24 24"><path d="M6 9l6 6 6-6"/></svg>
                </div>
            </button>
            <div class="item-content">
                <div class="content-inner">
                    Yes, you can upgrade, downgrade, or cancel your subscription at any time through your account settings. Changes will be reflected in the next billing cycle.
                </div>
            </div>
        </div>

<div class="expandable-item">
            <button class="item-header">
                <span class="item-title">Do you offer 24/7 support?</span>
                <div class="toggle-icon">
                    <svg class="chevron" viewBox="0 0 24 24"><path d="M6 9l6 6 6-6"/></svg>
                </div>
            </button>
            <div class="item-content">
                <div class="content-inner">
                    Enterprise and Professional plan customers receive 24/7 priority support. Basic plan users have access to our community forums and knowledge base 24/7, with ticketed support during business hours.
                </div>
            </div>
        </div>
    </div>

item.classList.toggle('open');
            });
        });
    </script>
</body>
</html>