body { font-family: sans-serif; padding: 20px; background: #f8f8f8; }
h1 { color: #007bff; }
button { padding: 10px 20px; font-size: 16px; cursor: pointer; }
#result { margin-top: 20px; font-size: 15px; }
img.flag { width: 60px; vertical-align: middle; margin-left: 10px; }