body {
margin: 0;
padding: 0;
font-family: Arial, sans-serif;
background: #23528F;
height: 100vh;
display: flex;
justify-content: center;
align-items: center;
}
.card {
background: rgb(255, 255, 255);
padding: 30px;
border-radius: 20px;
box-shadow: 0 4px 15px rgba(0,0,0,0.1);
text-align: center;
width: 350px;
}
h2 { color: #000000; margin-bottom: 20px; }
button {
width: 100%;
padding: 12px;
margin-top: 10px;
background: #008cff;
color: rgb(0, 0, 0);
border: none;
border-radius: 10px;
font-size: 16px;
cursor: pointer
}