body {
    font-family: Arial;
    background: #f4f6f8;
    padding: 20px;
}

.login-box {
    width: 300px;
    margin: 100px auto;
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

input, select, button {
    width: 100%;
    padding: 10px;
    margin-top: 10px;
}