body{
margin:0;
font-family:'Poppins',sans-serif;
color:white;
background:linear-gradient(-45deg,#1e3a8a,#7c3aed,#0ea5e9,#14b8a6);
background-size:400% 400%;
animation:gradientBG 12s ease infinite;
}

.container{max-width:900px;margin:auto;padding:40px}

.card{
background:rgba(255,255,255,0.1);
padding:30px;
border-radius:20px;
}

pre{
background:#0f172a;
padding:15px;
border-radius:10px;
color:#22c55e;
}

.menu a{
background:rgba(255,255,255,0.2);
padding:8px 12px;
border-radius:8px;
text-decoration:none;
color:white;
margin-right:10px;
}