body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f9;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

form {
    background: white;
    padding: 2em;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

input[type=text], input[type=password] {
    width: calc(100% - 22px);
    padding: 10px;
    margin-top: 8px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

input[type=submit] {
    background-color: #0056b3;
    color: white;
    padding: 10px 20px;
    margin-top: 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

input[type=submit]:hover {
    background-color: #004494;
}