* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
}

body {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, #4facfe, #00f2fe);
}

.container {
    background: #fff;
    padding: 40px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
    max-width: 400px;
}

h1 {
    color: #333;
    margin-bottom: 15px;
}

p {
    color: #666;
    margin-bottom: 25px;
}

button {
    background: #4facfe;
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    transition: 0.3s;
}

button:hover {
    background: #007bff;
    transform: translateY(-2px);
}