body { font-family: Arial, sans-serif; margin:0; padding:0; background:#f7f7f7; line-height:1.6; }
header { background:#4CAF50; color:white; text-align:center; padding:20px; }
header h1 { margin-bottom:10px; }
main { max-width:900px; margin:20px auto; background:white; padding:20px; border-radius:10px; box-shadow:0 0 10px rgba(0,0,0,0.1);}
.question { margin-bottom:15px; }
button { background:#4CAF50; color:white; padding:10px 20px; border:none; border-radius:5px; cursor:pointer; }
button:hover { background:#45a049; }
footer { text-align:center; padding:20px; background:#eee; font-size:14px; color:#555; }
#seo-content ul { list-style:disc inside; margin:10px 0; }
#ad-container { margin:20px 0; }
#result { margin-top:20px; }