.btn-green{background:#0f8;color:#0d1117;padding:15px 30px;border-radius:8px;font-weight:800;font-size:15px;text-decoration:none;display:inline-block;transition:background .2s,transform .15s;white-space:nowrap}.btn-green:hover{background:#00e67a;transform:translateY(-2px)}.h4h-section h3{font-size:17px;font-weight:700;color:#0f3460;margin:22px 0 10px}.btn-green{background:#6366f1;color:#fff}.btn-green:hover{background:#4f46e5}