.parent-container {
    display: flex;                /* Enable Flexbox */
    justify-content: center;      /* Center horizontally */
    align-items: center;          /* Center vertically */
    height: 100vh;                /* Full viewport height */
    background-color: #f5f5f5;    /* Optional background color */
}
.wallet-container {
background-color: #fff;
padding: 30px;
box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
border-radius: 8px;
text-align: center;
width: 400px;
}
h2 {
margin-bottom: 20px;
}
.balance {
font-size: 24px;
font-weight: bold;
margin-bottom: 20px;
color: #4CAF50;
}
.input-box {
margin: 10px 0;
}
.input-box input {
width: 80%;
padding: 10px;
border: 1px solid #ccc;
border-radius: 5px;
font-size: 16px;
}
.button {
background-color: #28a745;
color: white;
padding: 15px;
font-size: 16px;
border: none;
border-radius: 5px;
width: 85%;
cursor: pointer;
transition: background-color 0.3s ease;
}
.button:hover {
background-color: #218838;
}