body {font-family: Arial, sans-serif; background:#f4f6f9; margin:0;}
input, button, textarea, select {padding:10px; margin:8px 0; width:100%; box-sizing:border-box; border-radius:6px; border:1px solid #ccc;}
button {background:#0066cc; color:white; cursor:pointer; font-size:16px;}
button:hover {background:#0055aa;}
.container {max-width:900px; margin:30px auto; background:white; padding:30px; border-radius:12px; box-shadow:0 5px 20px rgba(0,0,0,0.1);}
h1, h2 {color:#0066cc;}