body{

background:#0f172a;
font-family:Arial;
color:white;
text-align:center;

}

.card{

background:#1e293b;
padding:20px;
border-radius:10px;
margin:10px;

}

.button{

background:#2563eb;
padding:12px;
border-radius:8px;
color:white;
text-decoration:none;

}