Concave Pressed Button - Free UI Component

Button Color #f1f5f9

Depth Shadow #94a3b8

Text Color #334155

Button Label Toggle Setting

Inset Depth (px) 4

Rounding (px) 12

Vertical Padding (rem) 1

Horizontal Padding (rem) 2.5

Font Size (rem) 1.1

Concave Pressed Button

A sophisticated interactive button that uses multiple inset shadows to create a 'pressed' or concave appearance to the surface.

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Pressed Inset Button</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@500;600;700;800&display=swap" rel="stylesheet">
    <style>
        /* -- Variables ------------------------------------------------- */
        :root {
            --primary: {{primaryColor}};         /* Button Surface */
            --inset: {{insetColor}};             /* Inset Shadow Color */
            --text: {{textColor}};               /* Text Color */
            --radius: {{borderRadius}}px;        /* Corner Rounding */
            --v-pad: {{vPadding}}rem;            /* Top/Bottom Padding */
            --h-pad: {{hPadding}}rem;            /* Left/Right Padding */
            --font-size: {{fontSize}}rem;        /* Text Size */
            --depth: {{insetDepth}}px;           /* Inset shadow spread */
            --page-bg: #e2e8f0;                  /* Preview Background */
        }

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

body {
            font-family: 'Plus Jakarta Sans', sans-serif;
            background-color: var(--page-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 100vh;
        }

/* -- Button Implementation --------------------------------------- */
        .btn-inset {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: var(--v-pad) var(--h-pad);
            font-size: var(--font-size);
            font-weight: 700;
            color: var(--text);
            background: var(--primary);
            border: none;
            border-radius: var(--radius);
            cursor: pointer;
            text-decoration: none;
            transition: all 0.2s ease;
            outline: none;
            
            /* The Inset (Pressed) look */
            box-shadow: 
                inset 0 var(--depth) calc(var(--depth) * 2) color-mix(in srgb, var(--inset), transparent 60%),
                inset 0 calc(var(--depth) * -1) calc(var(--depth) * 2) rgba(255, 255, 255, 0.2);
        }

.btn-inset:hover {
            filter: brightness(0.95);
            box-shadow: 
                inset 0 calc(var(--depth) * 1.5) calc(var(--depth) * 3) color-mix(in srgb, var(--inset), transparent 50%),
                inset 0 calc(var(--depth) * -1.5) calc(var(--depth) * 3) rgba(255, 255, 255, 0.3);
        }

.btn-inset:active {
            transform: scale(0.98);
            filter: brightness(0.9);
        }

</style>
</head>
<body>

<button class="btn-inset">
        {{buttonText}}
    </button>

</body>
</html>