body {
    margin:0;
    padding:0;
    font-family:Arial, sans-serif;
    color:white;
    text-align:center;
    background: url('https://images.unsplash.com/photo-1550751827-4bd374c3f58b') no-repeat center center fixed;
    background-size: cover;
}

.container {
    margin-top:120px;
    background: rgba(0,0,0,0.65);
    padding:50px;
    border-radius:20px;
    backdrop-filter: blur(10px);
    box-shadow: 0 0 40px rgba(0,255,255,0.4);
}

.btn {
    padding:15px 30px;
    margin:10px;
    background:#00ffff;
    color:black;
    text-decoration:none;
    border-radius:8px;
    font-weight:bold;
    transition:0.3s;
    box-shadow: 0 0 20px #00ffff;
}

.btn:hover {
    background:#ff00ff;
    box-shadow: 0 0 30px #ff00ff;
}

.btn.red {
    background:#ff4444;
    box-shadow: 0 0 20px #ff4444;
}

input {
    padding:10px;
    margin:5px;
    border-radius:6px;
    border:none;
}

button {
    padding:10px 20px;
    background:#00ffff;
    border:none;
    border-radius:6px;
    cursor:pointer;
}