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

body {
    font-family: "Poppins", Arial, sans-serif;
    background: linear-gradient(135deg, #667eea, #764ba2);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

div {
    width: 450px;
    background: #ffffff;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

h1 {
    text-align: center;
    color: #4f46e5;
    margin-bottom: 30px;
    font-size: 28px;
    font-weight: bold;
}

a {
    display: block;
    text-decoration: none;
    background: #4f46e5;
    color: white;
    padding: 15px;
    margin: 12px 0;
    border-radius: 10px;
    text-align: center;
    font-size: 18px;
    font-weight: 600;
    transition: 0.3s;
}

a:hover {
    background: #3730a3;
    transform: translateY(-3px);
}