body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.container {
    text-align: center;
    padding: 2rem;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

h1 {
    color: #333;
    margin-bottom: 1rem;
}

button {
    padding: 10px 20px;
    font-size: 16px;
    background-color: #f6821f;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #e67e22;
}

#data-container {
    margin-top: 20px;
    padding: 15px;
    background-color: #f5f5f5;
    border-radius: 5px;
}

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

#data-container li {
    padding: 8px;
    margin: 5px 0;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: 3px;
}

.countries-list {
    list-style: none;
    padding: 0;
    margin: 10px 0;
}

.countries-list li {
    padding: 5px 0;
    border-bottom: 1px solid #eee;
}