body { 
    font-family: sans-serif; 
    display: flex; 
    justify-content: center; 
    align-items: center; 
    height: 100vh; 
    background: #f0f2f5; 
}

.card { 
    background: white; 
    padding: 2rem; 
    text-align: center; 
    border-radius: 8px; 
    box-shadow: 0 2px 10px rgba(0,0,0,0.1); 
}

h1 { 
    color: #007bff; 
}

a { 
    margin: 12px; 
    padding: 12px; 
    text-decoration: none; 
    color: #000; 
    background: #f0f2f5; 
    border-radius: 12px 
}

a:hover { 
    color: #007bff 
}