body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    max-width: 600px;
    margin: 20px auto;
    padding: 10px;
    background: #f9f9f9;
    border: 1px solid #ccc;
    border-radius: 5px;
}

h1 {
    text-align: center;
}

form {
    margin-bottom: 20px;
}

input[type="text"] {
    width: calc(100% - 22px);
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

button {
    padding: 10px 15px;
    background: #007BFF;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

button:hover {
    background: #0056b3;
}

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

ul li {
    margin: 5px 0;
    background: #e9ecef;
    padding: 10px;
    border-radius: 4px;
}