body{font-family:Arial;margin:0;background:#0f172a;color:white;}
header{display:flex;justify-content:space-between;padding:15px;background:#020617;}
.contenedor{display:flex;flex-wrap:wrap;gap:20px;padding:20px;justify-content:center;}
.card{background:#1e293b;padding:10px;border-radius:10px;width:250px;text-align:center;}
.card img{width:100%;}
.btn{background:#22c55e;padding:10px;display:block;margin-top:10px;text-decoration:none;color:black;}
@media(max-width:600px){
.card{width:90%;}
}