Glassmorphic Transparent Button - Free UI Component

Surface Opacity (%) 10

Backdrop Blur (px) 10

Text Color #ffffff

Button Label Explore Library

Rounding (px) 12

Vertical Padding (rem) 0.9

Horizontal Padding (rem) 2.5

Font Size (rem) 1.1

Glassmorphic Transparent Button

A high-fidelity glassmorphic button with adjustable surface transparency and backdrop blur. Perfect for layered UI designs and hero sections over vibrant backgrounds.

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Transparent Background 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 {
            --opacity: {{bgOpacity}};            /* Background Alpha (%) */
            --blur: {{blurStrength}}px;          /* Backdrop Blur */
            --text: {{textColor}};               /* Text Color */
            --radius: {{borderRadius}}px;        /* Corner Rounding */
            --v-pad: {{vPadding}}rem;            /* Vertical Tightness */
            --h-pad: {{hPadding}}rem;            /* Horizontal Space */
            --font-size: {{fontSize}}rem;        /* Typography Size */
            --page-bg: #0f172a;
        }

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

body {
            font-family: 'Plus Jakarta Sans', sans-serif;
            background-color: var(--page-bg);
            /* Converging mesh gradient (No center dot) */
            background-image: 
                radial-gradient(at 20% 20%, #4f46e5 0px, transparent 45%),
                radial-gradient(at 80% 20%, #fb7185 0px, transparent 45%),
                radial-gradient(at 80% 80%, #34d399 0px, transparent 45%),
                radial-gradient(at 20% 80%, #fde047 0px, transparent 45%);
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 100vh;
            color: #fff;
            overflow: hidden;
        }

/* Converging background elements */
        .bg-shape {
            position: absolute;
            width: 400px;
            height: 400px;
            border-radius: 38% 62% 63% 37% / 41% 44% 56% 59%;
            filter: blur(60px);
            opacity: 0.5;
            z-index: 0;
            animation: morph 20s linear infinite;
        }

@keyframes morph {
            0% { border-radius: 38% 62% 63% 37% / 41% 44% 56% 59%; transform: translate(-10%, -10%) rotate(0deg); }
            33% { border-radius: 62% 38% 37% 63% / 54% 44% 56% 46%; transform: translate(10%, 5%) rotate(120deg); }
            66% { border-radius: 38% 62% 37% 63% / 44% 66% 34% 56%; transform: translate(-5%, 15%) rotate(240deg); }
            100% { border-radius: 38% 62% 63% 37% / 41% 44% 56% 59%; transform: translate(-10%, -10%) rotate(360deg); }
        }

/* -- Button Implementation --------------------------------------- */
        .btn-transparent {
            position: relative;
            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);
            
            /* Glassmorphism */
            background: rgba(255, 255, 255, calc(var(--opacity) / 100));
            backdrop-filter: blur(var(--blur));
            -webkit-backdrop-filter: blur(var(--blur));
            
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius);
            cursor: pointer;
            text-decoration: none;
            transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
            letter-spacing: -0.01em;
            outline: none;
            overflow: hidden;
            
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
        }

/* Hover Dynamics */
        .btn-transparent:hover {
            transform: translateY(-2px);
            background: rgba(255, 255, 255, calc((var(--opacity) + 10) / 100));
            border-color: rgba(255, 255, 255, 0.3);
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
        }

.btn-transparent:active {
            transform: translateY(0) scale(0.98);
        }

/* Inner Highlight Tip */
        .btn-transparent::before {
            content: '';
            position: absolute;
            top: 0; left: 0; width: 100%; height: 100%;
            background: linear-gradient(135deg, rgba(255,255,255,0.1), transparent 50%);
            pointer-events: none;
        }

</style>
</head>
<body>

<div class="bg-shape" style="top: 30%; left: 30%; background: #4f46e5;"></div>
    <div class="bg-shape" style="bottom: 30%; right: 30%; background: #fb7185; animation-delay: -5s;"></div>
    <div class="bg-shape" style="top: 40%; left: 45%; background: #34d399; animation-delay: -10s;"></div>
    <div class="bg-shape" style="bottom: 40%; right: 45%; background: #fde047; animation-delay: -15s;"></div>

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

</body>
</html>