body { font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif; background:#fafafa; color:#333; margin:0; padding:0; line-height:1.6; }
header { background:#0055ff; color:#fff; text-align:center; padding:1.5rem; }
main { max-width:900px; margin:2rem auto; background:#fff; padding:2rem; border-radius:12px; box-shadow:0 2px 6px rgba(0,0,0,0.1); }
h1 { color:#fff; font-size:1.8rem; }
h2 { color:#0055ff; margin-top:1.8rem; }
ul { margin-left:1.5rem; }
a { color:#0055ff; text-decoration:none; }
a:hover { text-decoration:underline; }
footer { text-align:center; background:#f2f2f2; padding:1.5rem; font-size:0.9rem; color:#555; margin-top:2rem; }