body {
    font-family: Arial, sans-serif;
    text-align: center;
    padding: 50px;
}
.login-container, .dashboard-container {
    max-width: 400px;
    margin: auto;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 5px;
}
input {
    display: block;
    width: 90%;
    margin: 10px auto;
    padding: 10px;
}
button {
    padding: 10px 20px;
}