body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 20px;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    background: #fff;
    padding: 20px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1, h2 {
    color: #333;
}

form {
    margin-bottom: 20px;
}

input[type="text"] {
    width: calc(100% - 100px);
    padding: 10px;
    margin-right: 10px;
}

button {
    padding: 10px 15px;
}

ul {
    list-style-type: none;
    padding: 0;
}

ul li {
    margin: 10px 0;
}

a {
    text-decoration: none;
    color: #007BFF;
}