body {
background: #0f172a;
font-family: Arial;
color: #fff;
}


.card {
width: 300px;
margin: 100px auto;
padding: 20px;
background: #020617;
border-radius: 10px;
text-align: center;
}


button {
margin: 5px;
padding: 8px 15px;
border: none;
border-radius: 5px;
cursor: pointer;
}