body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
}
.container {
    width: 50%;
    margin: 50px auto;
    background: #fff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}
h2 {
    text-align: center;
    color: #333;
}
label {
    font-weight: bold;
    margin-top: 10px;
    display: block;
}
input[type="text"], input[type="password"], input[type="number"] {
    width: 100%;
    padding: 8px;
    margin: 5px 0 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
}
input[type="submit"] {
    background-color: #4CAF50;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}
input[type="submit"]:hover {
    background-color: #45a049;
}
ul {
    list-style-type: none;
    padding: 0;
}
a {
    display: block;
    text-align: center;
    margin-top: 20px;
    color: #4CAF50;
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}