body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: #f0f0f0;
}
ul {
    list-style-type: none;
    padding: 0;
    margin: 0 0 20px 0;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    padding: 20px;
}
li {
    margin: 10px 0;
}
button {
    background-color: #4CAF50;
    border: none;
    color: white;
    padding: 10px 20px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin: 4px 2px;
    cursor: pointer;
    border-radius: 4px;
}
button:disabled {
    background-color: #ccc; /* Example style for disabled button */
    cursor: not-allowed;
}
button:hover {
    background-color: #0056b3;
    cursor: pointer;
}
#response {
    margin-top: 20px;
    font-weight: bold;
}
h1 {
    color: #333;
}
.container {
    display: flex;
    gap: 40px;
}
.list-container {
    text-align: center;
}

form {
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}
input[type="text"] {
    width: 200px;
    padding: 10px;
    margin-right: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
}